Finding the Third Proportional to 1,371,222 and 2,809,260

Step by Step Solution

1. Step 1: Write the proportion equation
   1,371,222 : 2,809,260 = 2,809,260 : x
2. Step 2: Convert to fraction form
   1,371,222/2,809,260 = 2,809,260/x
3. Step 3: Cross multiply
   1,371,222x = 2,809,260 × 2,809,260
4. Step 4: Simplify right side
   1,371,222x = 7,891,941,747,600
5. Step 5: Solve for x
   x = 7,891,941,747,600/1,371,222
6. Step 6: Final answer
   x = 5,755,407.77