Finding the Third Proportional to 64,909.50 and 98,066.25

Step by Step Solution

1. Step 1: Write the proportion equation
   64,909.50 : 98,066.25 = 98,066.25 : x
2. Step 2: Convert to fraction form
   64,909.50/98,066.25 = 98,066.25/x
3. Step 3: Cross multiply
   64,909.50x = 98,066.25 × 98,066.25
4. Step 4: Simplify right side
   64,909.50x = 9,616,989,389.06
5. Step 5: Solve for x
   x = 9,616,989,389.06/64,909.50
6. Step 6: Final answer
   x = 148,159.97