Finding the Third Proportional to 3,156,144 and 4,465,872

Step by Step Solution

1. Step 1: Write the proportion equation
   3,156,144 : 4,465,872 = 4,465,872 : x
2. Step 2: Convert to fraction form
   3,156,144/4,465,872 = 4,465,872/x
3. Step 3: Cross multiply
   3,156,144x = 4,465,872 × 4,465,872
4. Step 4: Simplify right side
   3,156,144x = 19,944,012,720,384
5. Step 5: Solve for x
   x = 19,944,012,720,384/3,156,144
6. Step 6: Final answer
   x = 6,319,107.34