Finding the Third Proportional to 92,292 and 131,978

Step by Step Solution

1. Step 1: Write the proportion equation
   92,292 : 131,978 = 131,978 : x
2. Step 2: Convert to fraction form
   92,292/131,978 = 131,978/x
3. Step 3: Cross multiply
   92,292x = 131,978 × 131,978
4. Step 4: Simplify right side
   92,292x = 17,418,192,484
5. Step 5: Solve for x
   x = 17,418,192,484/92,292
6. Step 6: Final answer
   x = 188,729.17