Finding the Third Proportional to 2,116,779 and 3,179,937

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,779 : 3,179,937 = 3,179,937 : x
2. Step 2: Convert to fraction form
   2,116,779/3,179,937 = 3,179,937/x
3. Step 3: Cross multiply
   2,116,779x = 3,179,937 × 3,179,937
4. Step 4: Simplify right side
   2,116,779x = 10,111,999,323,969
5. Step 5: Solve for x
   x = 10,111,999,323,969/2,116,779
6. Step 6: Final answer
   x = 4,777,068.99