Finding the Third Proportional to 1,282,812 and 2,806,200

Step by Step Solution

1. Step 1: Write the proportion equation
   1,282,812 : 2,806,200 = 2,806,200 : x
2. Step 2: Convert to fraction form
   1,282,812/2,806,200 = 2,806,200/x
3. Step 3: Cross multiply
   1,282,812x = 2,806,200 × 2,806,200
4. Step 4: Simplify right side
   1,282,812x = 7,874,758,440,000
5. Step 5: Solve for x
   x = 7,874,758,440,000/1,282,812
6. Step 6: Final answer
   x = 6,138,669.14