Finding the Third Proportional to 1,474,920 and 3,216,816

Step by Step Solution

1. Step 1: Write the proportion equation
   1,474,920 : 3,216,816 = 3,216,816 : x
2. Step 2: Convert to fraction form
   1,474,920/3,216,816 = 3,216,816/x
3. Step 3: Cross multiply
   1,474,920x = 3,216,816 × 3,216,816
4. Step 4: Simplify right side
   1,474,920x = 10,347,905,177,856
5. Step 5: Solve for x
   x = 10,347,905,177,856/1,474,920
6. Step 6: Final answer
   x = 7,015,909.46