Finding the Third Proportional to 90,828 and 133,320

Step by Step Solution

1. Step 1: Write the proportion equation
   90,828 : 133,320 = 133,320 : x
2. Step 2: Convert to fraction form
   90,828/133,320 = 133,320/x
3. Step 3: Cross multiply
   90,828x = 133,320 × 133,320
4. Step 4: Simplify right side
   90,828x = 17,774,222,400
5. Step 5: Solve for x
   x = 17,774,222,400/90,828
6. Step 6: Final answer
   x = 195,691.00