Finding the Third Proportional to 90,166 and 141,438

Step by Step Solution

1. Step 1: Write the proportion equation
   90,166 : 141,438 = 141,438 : x
2. Step 2: Convert to fraction form
   90,166/141,438 = 141,438/x
3. Step 3: Cross multiply
   90,166x = 141,438 × 141,438
4. Step 4: Simplify right side
   90,166x = 20,004,707,844
5. Step 5: Solve for x
   x = 20,004,707,844/90,166
6. Step 6: Final answer
   x = 221,865.31