Finding the Third Proportional to 1,400,306 and 3,071,690

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400,306 : 3,071,690 = 3,071,690 : x
2. Step 2: Convert to fraction form
   1,400,306/3,071,690 = 3,071,690/x
3. Step 3: Cross multiply
   1,400,306x = 3,071,690 × 3,071,690
4. Step 4: Simplify right side
   1,400,306x = 9,435,279,456,100
5. Step 5: Solve for x
   x = 9,435,279,456,100/1,400,306
6. Step 6: Final answer
   x = 6,738,012.59