Finding the Third Proportional to 68,647.50 and 88,148.25

Step by Step Solution

1. Step 1: Write the proportion equation
   68,647.50 : 88,148.25 = 88,148.25 : x
2. Step 2: Convert to fraction form
   68,647.50/88,148.25 = 88,148.25/x
3. Step 3: Cross multiply
   68,647.50x = 88,148.25 × 88,148.25
4. Step 4: Simplify right side
   68,647.50x = 7,770,113,978.06
5. Step 5: Solve for x
   x = 7,770,113,978.06/68,647.50
6. Step 6: Final answer
   x = 113,188.59