Finding the Third Proportional to 49,400.72 and 108,403.31

Step by Step Solution

1. Step 1: Write the proportion equation
   49,400.72 : 108,403.31 = 108,403.31 : x
2. Step 2: Convert to fraction form
   49,400.72/108,403.31 = 108,403.31/x
3. Step 3: Cross multiply
   49,400.72x = 108,403.31 × 108,403.31
4. Step 4: Simplify right side
   49,400.72x = 11,751,278,160.97
5. Step 5: Solve for x
   x = 11,751,278,160.97/49,400.72
6. Step 6: Final answer
   x = 237,876.66