Finding the Third Proportional to 126,061.31 and 271,238.63

Step by Step Solution

1. Step 1: Write the proportion equation
   126,061.31 : 271,238.63 = 271,238.63 : x
2. Step 2: Convert to fraction form
   126,061.31/271,238.63 = 271,238.63/x
3. Step 3: Cross multiply
   126,061.31x = 271,238.63 × 271,238.63
4. Step 4: Simplify right side
   126,061.31x = 73,570,391,691.89
5. Step 5: Solve for x
   x = 73,570,391,691.89/126,061.31
6. Step 6: Final answer
   x = 583,608.01