Finding the Third Proportional to 105,024.94 and 161,431.31

Step by Step Solution

1. Step 1: Write the proportion equation
   105,024.94 : 161,431.31 = 161,431.31 : x
2. Step 2: Convert to fraction form
   105,024.94/161,431.31 = 161,431.31/x
3. Step 3: Cross multiply
   105,024.94x = 161,431.31 × 161,431.31
4. Step 4: Simplify right side
   105,024.94x = 26,060,068,655.47
5. Step 5: Solve for x
   x = 26,060,068,655.47/105,024.94
6. Step 6: Final answer
   x = 248,132.20