Finding the Third Proportional to 20,104.88 and 42,881.06

Step by Step Solution

1. Step 1: Write the proportion equation
   20,104.88 : 42,881.06 = 42,881.06 : x
2. Step 2: Convert to fraction form
   20,104.88/42,881.06 = 42,881.06/x
3. Step 3: Cross multiply
   20,104.88x = 42,881.06 × 42,881.06
4. Step 4: Simplify right side
   20,104.88x = 1,838,785,521.13
5. Step 5: Solve for x
   x = 1,838,785,521.13/20,104.88
6. Step 6: Final answer
   x = 91,459.68