Finding the Third Proportional to 2,189,930 and 4,682,506

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189,930 : 4,682,506 = 4,682,506 : x
2. Step 2: Convert to fraction form
   2,189,930/4,682,506 = 4,682,506/x
3. Step 3: Cross multiply
   2,189,930x = 4,682,506 × 4,682,506
4. Step 4: Simplify right side
   2,189,930x = 21,925,862,440,036
5. Step 5: Solve for x
   x = 21,925,862,440,036/2,189,930
6. Step 6: Final answer
   x = 10,012,129.36