Finding the Third Proportional to 64,857 and 98,614.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,857 : 98,614.50 = 98,614.50 : x
2. Step 2: Convert to fraction form
   64,857/98,614.50 = 98,614.50/x
3. Step 3: Cross multiply
   64,857x = 98,614.50 × 98,614.50
4. Step 4: Simplify right side
   64,857x = 9,724,819,610.25
5. Step 5: Solve for x
   x = 9,724,819,610.25/64,857
6. Step 6: Final answer
   x = 149,942.48