Finding the Third Proportional to 677,974.50 and 1,025,710.50

Step by Step Solution

1. Step 1: Write the proportion equation
   677,974.50 : 1,025,710.50 = 1,025,710.50 : x
2. Step 2: Convert to fraction form
   677,974.50/1,025,710.50 = 1,025,710.50/x
3. Step 3: Cross multiply
   677,974.50x = 1,025,710.50 × 1,025,710.50
4. Step 4: Simplify right side
   677,974.50x = 1,052,082,029,810.25
5. Step 5: Solve for x
   x = 1,052,082,029,810.25/677,974.50
6. Step 6: Final answer
   x = 1,551,801.77