Finding the Third Proportional to 2,211,012 and 4,687,731

Step by Step Solution

1. Step 1: Write the proportion equation
   2,211,012 : 4,687,731 = 4,687,731 : x
2. Step 2: Convert to fraction form
   2,211,012/4,687,731 = 4,687,731/x
3. Step 3: Cross multiply
   2,211,012x = 4,687,731 × 4,687,731
4. Step 4: Simplify right side
   2,211,012x = 21,974,821,928,361
5. Step 5: Solve for x
   x = 21,974,821,928,361/2,211,012
6. Step 6: Final answer
   x = 9,938,807.17