Finding the Third Proportional to 1,306,472 and 1,998,586

Step by Step Solution

1. Step 1: Write the proportion equation
   1,306,472 : 1,998,586 = 1,998,586 : x
2. Step 2: Convert to fraction form
   1,306,472/1,998,586 = 1,998,586/x
3. Step 3: Cross multiply
   1,306,472x = 1,998,586 × 1,998,586
4. Step 4: Simplify right side
   1,306,472x = 3,994,345,999,396
5. Step 5: Solve for x
   x = 3,994,345,999,396/1,306,472
6. Step 6: Final answer
   x = 3,057,352.93