Finding the Third Proportional to 114,681.50 and 123,429.50

Step by Step Solution

1. Step 1: Write the proportion equation
   114,681.50 : 123,429.50 = 123,429.50 : x
2. Step 2: Convert to fraction form
   114,681.50/123,429.50 = 123,429.50/x
3. Step 3: Cross multiply
   114,681.50x = 123,429.50 × 123,429.50
4. Step 4: Simplify right side
   114,681.50x = 15,234,841,470.25
5. Step 5: Solve for x
   x = 15,234,841,470.25/114,681.50
6. Step 6: Final answer
   x = 132,844.80