Finding the Third Proportional to 2,216,700 and 4,779,675

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216,700 : 4,779,675 = 4,779,675 : x
2. Step 2: Convert to fraction form
   2,216,700/4,779,675 = 4,779,675/x
3. Step 3: Cross multiply
   2,216,700x = 4,779,675 × 4,779,675
4. Step 4: Simplify right side
   2,216,700x = 22,845,293,105,625
5. Step 5: Solve for x
   x = 22,845,293,105,625/2,216,700
6. Step 6: Final answer
   x = 10,305,992.29