Finding the Third Proportional to 1,214,670 and 2,812,020

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,670 : 2,812,020 = 2,812,020 : x
2. Step 2: Convert to fraction form
   1,214,670/2,812,020 = 2,812,020/x
3. Step 3: Cross multiply
   1,214,670x = 2,812,020 × 2,812,020
4. Step 4: Simplify right side
   1,214,670x = 7,907,456,480,400
5. Step 5: Solve for x
   x = 7,907,456,480,400/1,214,670
6. Step 6: Final answer
   x = 6,509,962.77