Finding the Third Proportional to 64,736.25 and 98,455.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,736.25 : 98,455.50 = 98,455.50 : x
2. Step 2: Convert to fraction form
   64,736.25/98,455.50 = 98,455.50/x
3. Step 3: Cross multiply
   64,736.25x = 98,455.50 × 98,455.50
4. Step 4: Simplify right side
   64,736.25x = 9,693,485,480.25
5. Step 5: Solve for x
   x = 9,693,485,480.25/64,736.25
6. Step 6: Final answer
   x = 149,738.14