Finding the Third Proportional to 1,407,800 and 3,081,664

Step by Step Solution

1. Step 1: Write the proportion equation
   1,407,800 : 3,081,664 = 3,081,664 : x
2. Step 2: Convert to fraction form
   1,407,800/3,081,664 = 3,081,664/x
3. Step 3: Cross multiply
   1,407,800x = 3,081,664 × 3,081,664
4. Step 4: Simplify right side
   1,407,800x = 9,496,653,008,896
5. Step 5: Solve for x
   x = 9,496,653,008,896/1,407,800
6. Step 6: Final answer
   x = 6,745,740.17