Finding the Third Proportional to 1,002,470 and 2,203,420

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,470 : 2,203,420 = 2,203,420 : x
2. Step 2: Convert to fraction form
   1,002,470/2,203,420 = 2,203,420/x
3. Step 3: Cross multiply
   1,002,470x = 2,203,420 × 2,203,420
4. Step 4: Simplify right side
   1,002,470x = 4,855,059,696,400
5. Step 5: Solve for x
   x = 4,855,059,696,400/1,002,470
6. Step 6: Final answer
   x = 4,843,097.25