Finding the Third Proportional to 469,603.50 and 708,762

Step by Step Solution

1. Step 1: Write the proportion equation
   469,603.50 : 708,762 = 708,762 : x
2. Step 2: Convert to fraction form
   469,603.50/708,762 = 708,762/x
3. Step 3: Cross multiply
   469,603.50x = 708,762 × 708,762
4. Step 4: Simplify right side
   469,603.50x = 502,343,572,644
5. Step 5: Solve for x
   x = 502,343,572,644/469,603.50
6. Step 6: Final answer
   x = 1,069,718.54