Finding the Third Proportional to 90,192 and 140,745

Step by Step Solution

1. Step 1: Write the proportion equation
   90,192 : 140,745 = 140,745 : x
2. Step 2: Convert to fraction form
   90,192/140,745 = 140,745/x
3. Step 3: Cross multiply
   90,192x = 140,745 × 140,745
4. Step 4: Simplify right side
   90,192x = 19,809,155,025
5. Step 5: Solve for x
   x = 19,809,155,025/90,192
6. Step 6: Final answer
   x = 219,633.17