Finding the Third Proportional to 69,016.50 and 108,141.75

Step by Step Solution

1. Step 1: Write the proportion equation
   69,016.50 : 108,141.75 = 108,141.75 : x
2. Step 2: Convert to fraction form
   69,016.50/108,141.75 = 108,141.75/x
3. Step 3: Cross multiply
   69,016.50x = 108,141.75 × 108,141.75
4. Step 4: Simplify right side
   69,016.50x = 11,694,638,093.06
5. Step 5: Solve for x
   x = 11,694,638,093.06/69,016.50
6. Step 6: Final answer
   x = 169,446.99