Finding the Third Proportional to 67,452.50 and 98,991.75

Step by Step Solution

1. Step 1: Write the proportion equation
   67,452.50 : 98,991.75 = 98,991.75 : x
2. Step 2: Convert to fraction form
   67,452.50/98,991.75 = 98,991.75/x
3. Step 3: Cross multiply
   67,452.50x = 98,991.75 × 98,991.75
4. Step 4: Simplify right side
   67,452.50x = 9,799,366,568.06
5. Step 5: Solve for x
   x = 9,799,366,568.06/67,452.50
6. Step 6: Final answer
   x = 145,278.03