Finding the Third Proportional to 90,412 and 133,774

Step by Step Solution

1. Step 1: Write the proportion equation
   90,412 : 133,774 = 133,774 : x
2. Step 2: Convert to fraction form
   90,412/133,774 = 133,774/x
3. Step 3: Cross multiply
   90,412x = 133,774 × 133,774
4. Step 4: Simplify right side
   90,412x = 17,895,483,076
5. Step 5: Solve for x
   x = 17,895,483,076/90,412
6. Step 6: Final answer
   x = 197,932.61