Finding the Third Proportional to 63,959.50 and 89,464.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,959.50 : 89,464.50 = 89,464.50 : x
2. Step 2: Convert to fraction form
   63,959.50/89,464.50 = 89,464.50/x
3. Step 3: Cross multiply
   63,959.50x = 89,464.50 × 89,464.50
4. Step 4: Simplify right side
   63,959.50x = 8,003,896,760.25
5. Step 5: Solve for x
   x = 8,003,896,760.25/63,959.50
6. Step 6: Final answer
   x = 125,140.08