Finding the Third Proportional to 42,088.88 and 90,854.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,088.88 : 90,854.25 = 90,854.25 : x
2. Step 2: Convert to fraction form
   42,088.88/90,854.25 = 90,854.25/x
3. Step 3: Cross multiply
   42,088.88x = 90,854.25 × 90,854.25
4. Step 4: Simplify right side
   42,088.88x = 8,254,494,743.06
5. Step 5: Solve for x
   x = 8,254,494,743.06/42,088.88
6. Step 6: Final answer
   x = 196,120.58