Finding the Third Proportional to 69,192 and 108,108

Step by Step Solution

1. Step 1: Write the proportion equation
   69,192 : 108,108 = 108,108 : x
2. Step 2: Convert to fraction form
   69,192/108,108 = 108,108/x
3. Step 3: Cross multiply
   69,192x = 108,108 × 108,108
4. Step 4: Simplify right side
   69,192x = 11,687,339,664
5. Step 5: Solve for x
   x = 11,687,339,664/69,192
6. Step 6: Final answer
   x = 168,911.72