Finding the Third Proportional to 22,978.69 and 55,345.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,978.69 : 55,345.78 = 55,345.78 : x
2. Step 2: Convert to fraction form
   22,978.69/55,345.78 = 55,345.78/x
3. Step 3: Cross multiply
   22,978.69x = 55,345.78 × 55,345.78
4. Step 4: Simplify right side
   22,978.69x = 3,063,155,502.17
5. Step 5: Solve for x
   x = 3,063,155,502.17/22,978.69
6. Step 6: Final answer
   x = 133,304.20