Finding the Third Proportional to 356,632 and 743,156

Step by Step Solution

1. Step 1: Write the proportion equation
   356,632 : 743,156 = 743,156 : x
2. Step 2: Convert to fraction form
   356,632/743,156 = 743,156/x
3. Step 3: Cross multiply
   356,632x = 743,156 × 743,156
4. Step 4: Simplify right side
   356,632x = 552,280,840,336
5. Step 5: Solve for x
   x = 552,280,840,336/356,632
6. Step 6: Final answer
   x = 1,548,601.47