Finding the Third Proportional to 55,839.38 and 123,332.63

Step by Step Solution

1. Step 1: Write the proportion equation
   55,839.38 : 123,332.63 = 123,332.63 : x
2. Step 2: Convert to fraction form
   55,839.38/123,332.63 = 123,332.63/x
3. Step 3: Cross multiply
   55,839.38x = 123,332.63 × 123,332.63
4. Step 4: Simplify right side
   55,839.38x = 15,210,936,389.39
5. Step 5: Solve for x
   x = 15,210,936,389.39/55,839.38
6. Step 6: Final answer
   x = 272,405.20