Finding the Third Proportional to 2,018,859 and 3,103,127

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018,859 : 3,103,127 = 3,103,127 : x
2. Step 2: Convert to fraction form
   2,018,859/3,103,127 = 3,103,127/x
3. Step 3: Cross multiply
   2,018,859x = 3,103,127 × 3,103,127
4. Step 4: Simplify right side
   2,018,859x = 9,629,397,178,129
5. Step 5: Solve for x
   x = 9,629,397,178,129/2,018,859
6. Step 6: Final answer
   x = 4,769,722.49