Finding the Third Proportional to 42,088.50 and 90,853.59

Step by Step Solution

1. Step 1: Write the proportion equation
   42,088.50 : 90,853.59 = 90,853.59 : x
2. Step 2: Convert to fraction form
   42,088.50/90,853.59 = 90,853.59/x
3. Step 3: Cross multiply
   42,088.50x = 90,853.59 × 90,853.59
4. Step 4: Simplify right side
   42,088.50x = 8,254,375,497.29
5. Step 5: Solve for x
   x = 8,254,375,497.29/42,088.50
6. Step 6: Final answer
   x = 196,119.50