Finding the Third Proportional to 3,216,807 and 4,900,680

Step by Step Solution

1. Step 1: Write the proportion equation
   3,216,807 : 4,900,680 = 4,900,680 : x
2. Step 2: Convert to fraction form
   3,216,807/4,900,680 = 4,900,680/x
3. Step 3: Cross multiply
   3,216,807x = 4,900,680 × 4,900,680
4. Step 4: Simplify right side
   3,216,807x = 24,016,664,462,400
5. Step 5: Solve for x
   x = 24,016,664,462,400/3,216,807
6. Step 6: Final answer
   x = 7,465,994.84