Finding the Third Proportional to 3,165,432 and 6,442,736

Step by Step Solution

1. Step 1: Write the proportion equation
   3,165,432 : 6,442,736 = 6,442,736 : x
2. Step 2: Convert to fraction form
   3,165,432/6,442,736 = 6,442,736/x
3. Step 3: Cross multiply
   3,165,432x = 6,442,736 × 6,442,736
4. Step 4: Simplify right side
   3,165,432x = 41,508,847,165,696
5. Step 5: Solve for x
   x = 41,508,847,165,696/3,165,432
6. Step 6: Final answer
   x = 13,113,169.76