Finding the Third Proportional to 451,789.50 and 662,593.50

Step by Step Solution

1. Step 1: Write the proportion equation
   451,789.50 : 662,593.50 = 662,593.50 : x
2. Step 2: Convert to fraction form
   451,789.50/662,593.50 = 662,593.50/x
3. Step 3: Cross multiply
   451,789.50x = 662,593.50 × 662,593.50
4. Step 4: Simplify right side
   451,789.50x = 439,030,146,242.25
5. Step 5: Solve for x
   x = 439,030,146,242.25/451,789.50
6. Step 6: Final answer
   x = 971,758.19