Finding the Third Proportional to 2,158,772 and 4,649,784

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,772 : 4,649,784 = 4,649,784 : x
2. Step 2: Convert to fraction form
   2,158,772/4,649,784 = 4,649,784/x
3. Step 3: Cross multiply
   2,158,772x = 4,649,784 × 4,649,784
4. Step 4: Simplify right side
   2,158,772x = 21,620,491,246,656
5. Step 5: Solve for x
   x = 21,620,491,246,656/2,158,772
6. Step 6: Final answer
   x = 10,015,180.50