Finding the Third Proportional to 2,111,196 and 4,978,854

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,196 : 4,978,854 = 4,978,854 : x
2. Step 2: Convert to fraction form
   2,111,196/4,978,854 = 4,978,854/x
3. Step 3: Cross multiply
   2,111,196x = 4,978,854 × 4,978,854
4. Step 4: Simplify right side
   2,111,196x = 24,788,987,153,316
5. Step 5: Solve for x
   x = 24,788,987,153,316/2,111,196
6. Step 6: Final answer
   x = 11,741,679.67