Finding the Third Proportional to 1,810,008 and 3,899,760

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810,008 : 3,899,760 = 3,899,760 : x
2. Step 2: Convert to fraction form
   1,810,008/3,899,760 = 3,899,760/x
3. Step 3: Cross multiply
   1,810,008x = 3,899,760 × 3,899,760
4. Step 4: Simplify right side
   1,810,008x = 15,208,128,057,600
5. Step 5: Solve for x
   x = 15,208,128,057,600/1,810,008
6. Step 6: Final answer
   x = 8,402,243.56