Finding the Third Proportional to 105,276.88 and 161,981.38

Step by Step Solution

1. Step 1: Write the proportion equation
   105,276.88 : 161,981.38 = 161,981.38 : x
2. Step 2: Convert to fraction form
   105,276.88/161,981.38 = 161,981.38/x
3. Step 3: Cross multiply
   105,276.88x = 161,981.38 × 161,981.38
4. Step 4: Simplify right side
   105,276.88x = 26,237,965,846.89
5. Step 5: Solve for x
   x = 26,237,965,846.89/105,276.88
6. Step 6: Final answer
   x = 249,228.20