Finding the Third Proportional to 42,717.50 and 98,891.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,717.50 : 98,891.75 = 98,891.75 : x
2. Step 2: Convert to fraction form
   42,717.50/98,891.75 = 98,891.75/x
3. Step 3: Cross multiply
   42,717.50x = 98,891.75 × 98,891.75
4. Step 4: Simplify right side
   42,717.50x = 9,779,578,218.06
5. Step 5: Solve for x
   x = 9,779,578,218.06/42,717.50
6. Step 6: Final answer
   x = 228,936.11