Finding the Third Proportional to 677,308.50 and 1,471,216.50

Step by Step Solution

1. Step 1: Write the proportion equation
   677,308.50 : 1,471,216.50 = 1,471,216.50 : x
2. Step 2: Convert to fraction form
   677,308.50/1,471,216.50 = 1,471,216.50/x
3. Step 3: Cross multiply
   677,308.50x = 1,471,216.50 × 1,471,216.50
4. Step 4: Simplify right side
   677,308.50x = 2,164,477,989,872.25
5. Step 5: Solve for x
   x = 2,164,477,989,872.25/677,308.50
6. Step 6: Final answer
   x = 3,195,704.75