Finding the Third Proportional to 1,299,810 and 2,023,281

Step by Step Solution

1. Step 1: Write the proportion equation
   1,299,810 : 2,023,281 = 2,023,281 : x
2. Step 2: Convert to fraction form
   1,299,810/2,023,281 = 2,023,281/x
3. Step 3: Cross multiply
   1,299,810x = 2,023,281 × 2,023,281
4. Step 4: Simplify right side
   1,299,810x = 4,093,666,004,961
5. Step 5: Solve for x
   x = 4,093,666,004,961/1,299,810
6. Step 6: Final answer
   x = 3,149,434.15