Finding the Third Proportional to 113,926.50 and 123,403.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,926.50 : 123,403.50 = 123,403.50 : x
2. Step 2: Convert to fraction form
   113,926.50/123,403.50 = 123,403.50/x
3. Step 3: Cross multiply
   113,926.50x = 123,403.50 × 123,403.50
4. Step 4: Simplify right side
   113,926.50x = 15,228,423,812.25
5. Step 5: Solve for x
   x = 15,228,423,812.25/113,926.50
6. Step 6: Final answer
   x = 133,668.85