Finding the Third Proportional to 106,959 and 169,510.50

Step by Step Solution

1. Step 1: Write the proportion equation
   106,959 : 169,510.50 = 169,510.50 : x
2. Step 2: Convert to fraction form
   106,959/169,510.50 = 169,510.50/x
3. Step 3: Cross multiply
   106,959x = 169,510.50 × 169,510.50
4. Step 4: Simplify right side
   106,959x = 28,733,809,610.25
5. Step 5: Solve for x
   x = 28,733,809,610.25/106,959
6. Step 6: Final answer
   x = 268,643.21