Finding the Third Proportional to 58,555.41 and 127,711.69

Step by Step Solution

1. Step 1: Write the proportion equation
   58,555.41 : 127,711.69 = 127,711.69 : x
2. Step 2: Convert to fraction form
   58,555.41/127,711.69 = 127,711.69/x
3. Step 3: Cross multiply
   58,555.41x = 127,711.69 × 127,711.69
4. Step 4: Simplify right side
   58,555.41x = 16,310,275,124.10
5. Step 5: Solve for x
   x = 16,310,275,124.10/58,555.41
6. Step 6: Final answer
   x = 278,544.31