Finding the Third Proportional to 815,418 and 1,199,160

Step by Step Solution

1. Step 1: Write the proportion equation
   815,418 : 1,199,160 = 1,199,160 : x
2. Step 2: Convert to fraction form
   815,418/1,199,160 = 1,199,160/x
3. Step 3: Cross multiply
   815,418x = 1,199,160 × 1,199,160
4. Step 4: Simplify right side
   815,418x = 1,437,984,705,600
5. Step 5: Solve for x
   x = 1,437,984,705,600/815,418
6. Step 6: Final answer
   x = 1,763,493.94