Finding the Third Proportional to 3,420,846 and 7,384,068

Step by Step Solution

1. Step 1: Write the proportion equation
   3,420,846 : 7,384,068 = 7,384,068 : x
2. Step 2: Convert to fraction form
   3,420,846/7,384,068 = 7,384,068/x
3. Step 3: Cross multiply
   3,420,846x = 7,384,068 × 7,384,068
4. Step 4: Simplify right side
   3,420,846x = 54,524,460,228,624
5. Step 5: Solve for x
   x = 54,524,460,228,624/3,420,846
6. Step 6: Final answer
   x = 15,938,881.85