Finding the Third Proportional to 402,934.50 and 547,551

Step by Step Solution

1. Step 1: Write the proportion equation
   402,934.50 : 547,551 = 547,551 : x
2. Step 2: Convert to fraction form
   402,934.50/547,551 = 547,551/x
3. Step 3: Cross multiply
   402,934.50x = 547,551 × 547,551
4. Step 4: Simplify right side
   402,934.50x = 299,812,097,601
5. Step 5: Solve for x
   x = 299,812,097,601/402,934.50
6. Step 6: Final answer
   x = 744,071.55