Finding the Third Proportional to 572,076 and 776,947.50

Step by Step Solution

1. Step 1: Write the proportion equation
   572,076 : 776,947.50 = 776,947.50 : x
2. Step 2: Convert to fraction form
   572,076/776,947.50 = 776,947.50/x
3. Step 3: Cross multiply
   572,076x = 776,947.50 × 776,947.50
4. Step 4: Simplify right side
   572,076x = 603,647,417,756.25
5. Step 5: Solve for x
   x = 603,647,417,756.25/572,076
6. Step 6: Final answer
   x = 1,055,187.45