Finding the Third Proportional to 92,105 and 138,499

Step by Step Solution

1. Step 1: Write the proportion equation
   92,105 : 138,499 = 138,499 : x
2. Step 2: Convert to fraction form
   92,105/138,499 = 138,499/x
3. Step 3: Cross multiply
   92,105x = 138,499 × 138,499
4. Step 4: Simplify right side
   92,105x = 19,181,973,001
5. Step 5: Solve for x
   x = 19,181,973,001/92,105
6. Step 6: Final answer
   x = 208,262.02