Finding the Third Proportional to 42,024 and 90,810

Step by Step Solution

1. Step 1: Write the proportion equation
   42,024 : 90,810 = 90,810 : x
2. Step 2: Convert to fraction form
   42,024/90,810 = 90,810/x
3. Step 3: Cross multiply
   42,024x = 90,810 × 90,810
4. Step 4: Simplify right side
   42,024x = 8,246,456,100
5. Step 5: Solve for x
   x = 8,246,456,100/42,024
6. Step 6: Final answer
   x = 196,232.06