Finding the Third Proportional to 2,216,506 and 4,786,659

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216,506 : 4,786,659 = 4,786,659 : x
2. Step 2: Convert to fraction form
   2,216,506/4,786,659 = 4,786,659/x
3. Step 3: Cross multiply
   2,216,506x = 4,786,659 × 4,786,659
4. Step 4: Simplify right side
   2,216,506x = 22,912,104,382,281
5. Step 5: Solve for x
   x = 22,912,104,382,281/2,216,506
6. Step 6: Final answer
   x = 10,337,036.93