Finding the Third Proportional to 572,080 and 776,949.50

Step by Step Solution

1. Step 1: Write the proportion equation
   572,080 : 776,949.50 = 776,949.50 : x
2. Step 2: Convert to fraction form
   572,080/776,949.50 = 776,949.50/x
3. Step 3: Cross multiply
   572,080x = 776,949.50 × 776,949.50
4. Step 4: Simplify right side
   572,080x = 603,650,525,550.25
5. Step 5: Solve for x
   x = 603,650,525,550.25/572,080
6. Step 6: Final answer
   x = 1,055,185.51