Finding the Third Proportional to 69,089 and 108,260

Step by Step Solution

1. Step 1: Write the proportion equation
   69,089 : 108,260 = 108,260 : x
2. Step 2: Convert to fraction form
   69,089/108,260 = 108,260/x
3. Step 3: Cross multiply
   69,089x = 108,260 × 108,260
4. Step 4: Simplify right side
   69,089x = 11,720,227,600
5. Step 5: Solve for x
   x = 11,720,227,600/69,089
6. Step 6: Final answer
   x = 169,639.56