Finding the Third Proportional to 2,429,872 and 3,861,816

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429,872 : 3,861,816 = 3,861,816 : x
2. Step 2: Convert to fraction form
   2,429,872/3,861,816 = 3,861,816/x
3. Step 3: Cross multiply
   2,429,872x = 3,861,816 × 3,861,816
4. Step 4: Simplify right side
   2,429,872x = 14,913,622,817,856
5. Step 5: Solve for x
   x = 14,913,622,817,856/2,429,872
6. Step 6: Final answer
   x = 6,137,616.64