Finding the Third Proportional to 56,725.31 and 123,838.88

Step by Step Solution

1. Step 1: Write the proportion equation
   56,725.31 : 123,838.88 = 123,838.88 : x
2. Step 2: Convert to fraction form
   56,725.31/123,838.88 = 123,838.88/x
3. Step 3: Cross multiply
   56,725.31x = 123,838.88 × 123,838.88
4. Step 4: Simplify right side
   56,725.31x = 15,336,066,961.27
5. Step 5: Solve for x
   x = 15,336,066,961.27/56,725.31
6. Step 6: Final answer
   x = 270,356.68