Finding the Third Proportional to 67,450.50 and 98,988.75

Step by Step Solution

1. Step 1: Write the proportion equation
   67,450.50 : 98,988.75 = 98,988.75 : x
2. Step 2: Convert to fraction form
   67,450.50/98,988.75 = 98,988.75/x
3. Step 3: Cross multiply
   67,450.50x = 98,988.75 × 98,988.75
4. Step 4: Simplify right side
   67,450.50x = 9,798,772,626.56
5. Step 5: Solve for x
   x = 9,798,772,626.56/67,450.50
6. Step 6: Final answer
   x = 145,273.54