Finding the Third Proportional to 815,288,229,877.75 and 1,773,716,738,123.20

Step by Step Solution

1. Step 1: Write the proportion equation
   815,288,229,877.75 : 1,773,716,738,123.20 = 1,773,716,738,123.20 : x
2. Step 2: Convert to fraction form
   815,288,229,877.75/1,773,716,738,123.20 = 1,773,716,738,123.20/x
3. Step 3: Cross multiply
   815,288,229,877.75x = 1,773,716,738,123.20 × 1,773,716,738,123.20
4. Step 4: Simplify right side
   815,288,229,877.75x = 3,146,071,067,098,404,026,843,136
5. Step 5: Solve for x
   x = 3,146,071,067,098,404,026,843,136/815,288,229,877.75
6. Step 6: Final answer
   x = 3,858,845,193,398.84