Finding the Third Proportional to 81,364.50 and 123,666.75

Step by Step Solution

1. Step 1: Write the proportion equation
   81,364.50 : 123,666.75 = 123,666.75 : x
2. Step 2: Convert to fraction form
   81,364.50/123,666.75 = 123,666.75/x
3. Step 3: Cross multiply
   81,364.50x = 123,666.75 × 123,666.75
4. Step 4: Simplify right side
   81,364.50x = 15,293,465,055.56
5. Step 5: Solve for x
   x = 15,293,465,055.56/81,364.50
6. Step 6: Final answer
   x = 187,962.38