Finding the Third Proportional to 20,833.45 and 29,770.88

Step by Step Solution

1. Step 1: Write the proportion equation
   20,833.45 : 29,770.88 = 29,770.88 : x
2. Step 2: Convert to fraction form
   20,833.45/29,770.88 = 29,770.88/x
3. Step 3: Cross multiply
   20,833.45x = 29,770.88 × 29,770.88
4. Step 4: Simplify right side
   20,833.45x = 886,304,998.27
5. Step 5: Solve for x
   x = 886,304,998.27/20,833.45
6. Step 6: Final answer
   x = 42,542.40