Finding the Third Proportional to 28,394.30 and 42,040.27

Step by Step Solution

1. Step 1: Write the proportion equation
   28,394.30 : 42,040.27 = 42,040.27 : x
2. Step 2: Convert to fraction form
   28,394.30/42,040.27 = 42,040.27/x
3. Step 3: Cross multiply
   28,394.30x = 42,040.27 × 42,040.27
4. Step 4: Simplify right side
   28,394.30x = 1,767,383,933.82
5. Step 5: Solve for x
   x = 1,767,383,933.82/28,394.30
6. Step 6: Final answer
   x = 62,244.33