Finding the Third Proportional to 429,487 and 915,850

Step by Step Solution

1. Step 1: Write the proportion equation
   429,487 : 915,850 = 915,850 : x
2. Step 2: Convert to fraction form
   429,487/915,850 = 915,850/x
3. Step 3: Cross multiply
   429,487x = 915,850 × 915,850
4. Step 4: Simplify right side
   429,487x = 838,781,222,500
5. Step 5: Solve for x
   x = 838,781,222,500/429,487
6. Step 6: Final answer
   x = 1,952,983.96