Finding the Third Proportional to 554,613.50 and 877,448

Step by Step Solution

1. Step 1: Write the proportion equation
   554,613.50 : 877,448 = 877,448 : x
2. Step 2: Convert to fraction form
   554,613.50/877,448 = 877,448/x
3. Step 3: Cross multiply
   554,613.50x = 877,448 × 877,448
4. Step 4: Simplify right side
   554,613.50x = 769,914,992,704
5. Step 5: Solve for x
   x = 769,914,992,704/554,613.50
6. Step 6: Final answer
   x = 1,388,200.96