Finding the Third Proportional to 1,402,418 and 3,071,786

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402,418 : 3,071,786 = 3,071,786 : x
2. Step 2: Convert to fraction form
   1,402,418/3,071,786 = 3,071,786/x
3. Step 3: Cross multiply
   1,402,418x = 3,071,786 × 3,071,786
4. Step 4: Simplify right side
   1,402,418x = 9,435,869,229,796
5. Step 5: Solve for x
   x = 9,435,869,229,796/1,402,418
6. Step 6: Final answer
   x = 6,728,285.88