Finding the Third Proportional to 3,791,872 and 8,115,184

Step by Step Solution

1. Step 1: Write the proportion equation
   3,791,872 : 8,115,184 = 8,115,184 : x
2. Step 2: Convert to fraction form
   3,791,872/8,115,184 = 8,115,184/x
3. Step 3: Cross multiply
   3,791,872x = 8,115,184 × 8,115,184
4. Step 4: Simplify right side
   3,791,872x = 65,856,211,353,856
5. Step 5: Solve for x
   x = 65,856,211,353,856/3,791,872
6. Step 6: Final answer
   x = 17,367,730.60