Finding the Third Proportional to 64,807.50 and 132,844.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,807.50 : 132,844.50 = 132,844.50 : x
2. Step 2: Convert to fraction form
   64,807.50/132,844.50 = 132,844.50/x
3. Step 3: Cross multiply
   64,807.50x = 132,844.50 × 132,844.50
4. Step 4: Simplify right side
   64,807.50x = 17,647,661,180.25
5. Step 5: Solve for x
   x = 17,647,661,180.25/64,807.50
6. Step 6: Final answer
   x = 272,308.93