Finding the Third Proportional to 1,025,210 and 2,243,420

Step by Step Solution

1. Step 1: Write the proportion equation
   1,025,210 : 2,243,420 = 2,243,420 : x
2. Step 2: Convert to fraction form
   1,025,210/2,243,420 = 2,243,420/x
3. Step 3: Cross multiply
   1,025,210x = 2,243,420 × 2,243,420
4. Step 4: Simplify right side
   1,025,210x = 5,032,933,296,400
5. Step 5: Solve for x
   x = 5,032,933,296,400/1,025,210
6. Step 6: Final answer
   x = 4,909,173.04