Finding the Third Proportional to 20,108.25 and 42,886.97

Step by Step Solution

1. Step 1: Write the proportion equation
   20,108.25 : 42,886.97 = 42,886.97 : x
2. Step 2: Convert to fraction form
   20,108.25/42,886.97 = 42,886.97/x
3. Step 3: Cross multiply
   20,108.25x = 42,886.97 × 42,886.97
4. Step 4: Simplify right side
   20,108.25x = 1,839,292,088.56
5. Step 5: Solve for x
   x = 1,839,292,088.56/20,108.25
6. Step 6: Final answer
   x = 91,469.53