Finding the Third Proportional to 64,716 and 132,568.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,716 : 132,568.50 = 132,568.50 : x
2. Step 2: Convert to fraction form
   64,716/132,568.50 = 132,568.50/x
3. Step 3: Cross multiply
   64,716x = 132,568.50 × 132,568.50
4. Step 4: Simplify right side
   64,716x = 17,574,407,192.25
5. Step 5: Solve for x
   x = 17,574,407,192.25/64,716
6. Step 6: Final answer
   x = 271,562.01