Finding the Third Proportional to 1,214,748 and 2,812,218

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,748 : 2,812,218 = 2,812,218 : x
2. Step 2: Convert to fraction form
   1,214,748/2,812,218 = 2,812,218/x
3. Step 3: Cross multiply
   1,214,748x = 2,812,218 × 2,812,218
4. Step 4: Simplify right side
   1,214,748x = 7,908,570,079,524
5. Step 5: Solve for x
   x = 7,908,570,079,524/1,214,748
6. Step 6: Final answer
   x = 6,510,461.49