Finding the Third Proportional to 460,762 and 721,240.50

Step by Step Solution

1. Step 1: Write the proportion equation
   460,762 : 721,240.50 = 721,240.50 : x
2. Step 2: Convert to fraction form
   460,762/721,240.50 = 721,240.50/x
3. Step 3: Cross multiply
   460,762x = 721,240.50 × 721,240.50
4. Step 4: Simplify right side
   460,762x = 520,187,858,840.25
5. Step 5: Solve for x
   x = 520,187,858,840.25/460,762
6. Step 6: Final answer
   x = 1,128,973.00