Finding the Third Proportional to 108,970.31 and 169,912.69

Step by Step Solution

1. Step 1: Write the proportion equation
   108,970.31 : 169,912.69 = 169,912.69 : x
2. Step 2: Convert to fraction form
   108,970.31/169,912.69 = 169,912.69/x
3. Step 3: Cross multiply
   108,970.31x = 169,912.69 × 169,912.69
4. Step 4: Simplify right side
   108,970.31x = 28,870,321,373.47
5. Step 5: Solve for x
   x = 28,870,321,373.47/108,970.31
6. Step 6: Final answer
   x = 264,937.49