Finding the Third Proportional to 1,020,612 and 2,197,228

Step by Step Solution

1. Step 1: Write the proportion equation
   1,020,612 : 2,197,228 = 2,197,228 : x
2. Step 2: Convert to fraction form
   1,020,612/2,197,228 = 2,197,228/x
3. Step 3: Cross multiply
   1,020,612x = 2,197,228 × 2,197,228
4. Step 4: Simplify right side
   1,020,612x = 4,827,810,883,984
5. Step 5: Solve for x
   x = 4,827,810,883,984/1,020,612
6. Step 6: Final answer
   x = 4,730,309.74