Finding the Third Proportional to 2,020,421 and 3,136,885

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020,421 : 3,136,885 = 3,136,885 : x
2. Step 2: Convert to fraction form
   2,020,421/3,136,885 = 3,136,885/x
3. Step 3: Cross multiply
   2,020,421x = 3,136,885 × 3,136,885
4. Step 4: Simplify right side
   2,020,421x = 9,840,047,503,225
5. Step 5: Solve for x
   x = 9,840,047,503,225/2,020,421
6. Step 6: Final answer
   x = 4,870,295.60