Finding the Third Proportional to 1,806,812 and 3,928,552

Step by Step Solution

1. Step 1: Write the proportion equation
   1,806,812 : 3,928,552 = 3,928,552 : x
2. Step 2: Convert to fraction form
   1,806,812/3,928,552 = 3,928,552/x
3. Step 3: Cross multiply
   1,806,812x = 3,928,552 × 3,928,552
4. Step 4: Simplify right side
   1,806,812x = 15,433,520,816,704
5. Step 5: Solve for x
   x = 15,433,520,816,704/1,806,812
6. Step 6: Final answer
   x = 8,541,852.07