Finding the Third Proportional to 20,105.88 and 42,881.43

Step by Step Solution

1. Step 1: Write the proportion equation
   20,105.88 : 42,881.43 = 42,881.43 : x
2. Step 2: Convert to fraction form
   20,105.88/42,881.43 = 42,881.43/x
3. Step 3: Cross multiply
   20,105.88x = 42,881.43 × 42,881.43
4. Step 4: Simplify right side
   20,105.88x = 1,838,817,179.55
5. Step 5: Solve for x
   x = 1,838,817,179.55/20,105.88
6. Step 6: Final answer
   x = 91,456.70