Finding the Third Proportional to 2,018,861 and 3,103,129

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018,861 : 3,103,129 = 3,103,129 : x
2. Step 2: Convert to fraction form
   2,018,861/3,103,129 = 3,103,129/x
3. Step 3: Cross multiply
   2,018,861x = 3,103,129 × 3,103,129
4. Step 4: Simplify right side
   2,018,861x = 9,629,409,590,641
5. Step 5: Solve for x
   x = 9,629,409,590,641/2,018,861
6. Step 6: Final answer
   x = 4,769,723.91