Finding the Third Proportional to 63,390.75 and 98,719.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,390.75 : 98,719.50 = 98,719.50 : x
2. Step 2: Convert to fraction form
   63,390.75/98,719.50 = 98,719.50/x
3. Step 3: Cross multiply
   63,390.75x = 98,719.50 × 98,719.50
4. Step 4: Simplify right side
   63,390.75x = 9,745,539,680.25
5. Step 5: Solve for x
   x = 9,745,539,680.25/63,390.75
6. Step 6: Final answer
   x = 153,737.57