Finding the Third Proportional to 90,974 and 133,860

Step by Step Solution

1. Step 1: Write the proportion equation
   90,974 : 133,860 = 133,860 : x
2. Step 2: Convert to fraction form
   90,974/133,860 = 133,860/x
3. Step 3: Cross multiply
   90,974x = 133,860 × 133,860
4. Step 4: Simplify right side
   90,974x = 17,918,499,600
5. Step 5: Solve for x
   x = 17,918,499,600/90,974
6. Step 6: Final answer
   x = 196,962.86