Finding the Third Proportional to 64,716.50 and 132,567.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,716.50 : 132,567.50 = 132,567.50 : x
2. Step 2: Convert to fraction form
   64,716.50/132,567.50 = 132,567.50/x
3. Step 3: Cross multiply
   64,716.50x = 132,567.50 × 132,567.50
4. Step 4: Simplify right side
   64,716.50x = 17,574,142,056.25
5. Step 5: Solve for x
   x = 17,574,142,056.25/64,716.50
6. Step 6: Final answer
   x = 271,555.82