Finding the Third Proportional to 15,872.84 and 34,863.86

Step by Step Solution

1. Step 1: Write the proportion equation
   15,872.84 : 34,863.86 = 34,863.86 : x
2. Step 2: Convert to fraction form
   15,872.84/34,863.86 = 34,863.86/x
3. Step 3: Cross multiply
   15,872.84x = 34,863.86 × 34,863.86
4. Step 4: Simplify right side
   15,872.84x = 1,215,488,418.15
5. Step 5: Solve for x
   x = 1,215,488,418.15/15,872.84
6. Step 6: Final answer
   x = 76,576.64