Finding the Third Proportional to 572,086 and 776,966.50

Step by Step Solution

1. Step 1: Write the proportion equation
   572,086 : 776,966.50 = 776,966.50 : x
2. Step 2: Convert to fraction form
   572,086/776,966.50 = 776,966.50/x
3. Step 3: Cross multiply
   572,086x = 776,966.50 × 776,966.50
4. Step 4: Simplify right side
   572,086x = 603,676,942,122.25
5. Step 5: Solve for x
   x = 603,676,942,122.25/572,086
6. Step 6: Final answer
   x = 1,055,220.62