Finding the Third Proportional to 815,508 and 1,705,374

Step by Step Solution

1. Step 1: Write the proportion equation
   815,508 : 1,705,374 = 1,705,374 : x
2. Step 2: Convert to fraction form
   815,508/1,705,374 = 1,705,374/x
3. Step 3: Cross multiply
   815,508x = 1,705,374 × 1,705,374
4. Step 4: Simplify right side
   815,508x = 2,908,300,479,876
5. Step 5: Solve for x
   x = 2,908,300,479,876/815,508
6. Step 6: Final answer
   x = 3,566,243.96