Finding the Third Proportional to 2,189,931 and 4,682,508

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189,931 : 4,682,508 = 4,682,508 : x
2. Step 2: Convert to fraction form
   2,189,931/4,682,508 = 4,682,508/x
3. Step 3: Cross multiply
   2,189,931x = 4,682,508 × 4,682,508
4. Step 4: Simplify right side
   2,189,931x = 21,925,881,170,064
5. Step 5: Solve for x
   x = 21,925,881,170,064/2,189,931
6. Step 6: Final answer
   x = 10,012,133.34