Finding the Third Proportional to 58,451.63 and 123,879.38

Step by Step Solution

1. Step 1: Write the proportion equation
   58,451.63 : 123,879.38 = 123,879.38 : x
2. Step 2: Convert to fraction form
   58,451.63/123,879.38 = 123,879.38/x
3. Step 3: Cross multiply
   58,451.63x = 123,879.38 × 123,879.38
4. Step 4: Simplify right side
   58,451.63x = 15,346,099,550.39
5. Step 5: Solve for x
   x = 15,346,099,550.39/58,451.63
6. Step 6: Final answer
   x = 262,543.59