Finding the Third Proportional to 3,891,352 and 6,216,374

Step by Step Solution

1. Step 1: Write the proportion equation
   3,891,352 : 6,216,374 = 6,216,374 : x
2. Step 2: Convert to fraction form
   3,891,352/6,216,374 = 6,216,374/x
3. Step 3: Cross multiply
   3,891,352x = 6,216,374 × 6,216,374
4. Step 4: Simplify right side
   3,891,352x = 38,643,305,707,876
5. Step 5: Solve for x
   x = 38,643,305,707,876/3,891,352
6. Step 6: Final answer
   x = 9,930,560.31