Finding the Third Proportional to 60,316.50 and 88,720.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,316.50 : 88,720.50 = 88,720.50 : x
2. Step 2: Convert to fraction form
   60,316.50/88,720.50 = 88,720.50/x
3. Step 3: Cross multiply
   60,316.50x = 88,720.50 × 88,720.50
4. Step 4: Simplify right side
   60,316.50x = 7,871,327,120.25
5. Step 5: Solve for x
   x = 7,871,327,120.25/60,316.50
6. Step 6: Final answer
   x = 130,500.40