Finding the Third Proportional to 1,206,743 and 1,789,242

Step by Step Solution

1. Step 1: Write the proportion equation
   1,206,743 : 1,789,242 = 1,789,242 : x
2. Step 2: Convert to fraction form
   1,206,743/1,789,242 = 1,789,242/x
3. Step 3: Cross multiply
   1,206,743x = 1,789,242 × 1,789,242
4. Step 4: Simplify right side
   1,206,743x = 3,201,386,934,564
5. Step 5: Solve for x
   x = 3,201,386,934,564/1,206,743
6. Step 6: Final answer
   x = 2,652,915.27