Finding the Third Proportional to 575,066.25 and 870,658.88

Step by Step Solution

1. Step 1: Write the proportion equation
   575,066.25 : 870,658.88 = 870,658.88 : x
2. Step 2: Convert to fraction form
   575,066.25/870,658.88 = 870,658.88/x
3. Step 3: Cross multiply
   575,066.25x = 870,658.88 × 870,658.88
4. Step 4: Simplify right side
   575,066.25x = 758,046,876,616.27
5. Step 5: Solve for x
   x = 758,046,876,616.27/575,066.25
6. Step 6: Final answer
   x = 1,318,190.52