Finding the Third Proportional to 459,570 and 661,922.50

Step by Step Solution

1. Step 1: Write the proportion equation
   459,570 : 661,922.50 = 661,922.50 : x
2. Step 2: Convert to fraction form
   459,570/661,922.50 = 661,922.50/x
3. Step 3: Cross multiply
   459,570x = 661,922.50 × 661,922.50
4. Step 4: Simplify right side
   459,570x = 438,141,396,006.25
5. Step 5: Solve for x
   x = 438,141,396,006.25/459,570
6. Step 6: Final answer
   x = 953,372.49