Finding the Third Proportional to 42,022.13 and 90,416.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,022.13 : 90,416.25 = 90,416.25 : x
2. Step 2: Convert to fraction form
   42,022.13/90,416.25 = 90,416.25/x
3. Step 3: Cross multiply
   42,022.13x = 90,416.25 × 90,416.25
4. Step 4: Simplify right side
   42,022.13x = 8,175,098,264.06
5. Step 5: Solve for x
   x = 8,175,098,264.06/42,022.13
6. Step 6: Final answer
   x = 194,542.71