Finding the Third Proportional to 42,224 and 90,356

Step by Step Solution

1. Step 1: Write the proportion equation
   42,224 : 90,356 = 90,356 : x
2. Step 2: Convert to fraction form
   42,224/90,356 = 90,356/x
3. Step 3: Cross multiply
   42,224x = 90,356 × 90,356
4. Step 4: Simplify right side
   42,224x = 8,164,206,736
5. Step 5: Solve for x
   x = 8,164,206,736/42,224
6. Step 6: Final answer
   x = 193,354.65