Finding the Third Proportional to 42,022.88 and 90,417.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,022.88 : 90,417.38 = 90,417.38 : x
2. Step 2: Convert to fraction form
   42,022.88/90,417.38 = 90,417.38/x
3. Step 3: Cross multiply
   42,022.88x = 90,417.38 × 90,417.38
4. Step 4: Simplify right side
   42,022.88x = 8,175,301,701.89
5. Step 5: Solve for x
   x = 8,175,301,701.89/42,022.88
6. Step 6: Final answer
   x = 194,544.08