Finding the Third Proportional to 3,420,812 and 7,384,000

Step by Step Solution

1. Step 1: Write the proportion equation
   3,420,812 : 7,384,000 = 7,384,000 : x
2. Step 2: Convert to fraction form
   3,420,812/7,384,000 = 7,384,000/x
3. Step 3: Cross multiply
   3,420,812x = 7,384,000 × 7,384,000
4. Step 4: Simplify right side
   3,420,812x = 54,523,456,000,000
5. Step 5: Solve for x
   x = 54,523,456,000,000/3,420,812
6. Step 6: Final answer
   x = 15,938,746.71