Finding the Third Proportional to 2,108,321 and 4,622,938

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,321 : 4,622,938 = 4,622,938 : x
2. Step 2: Convert to fraction form
   2,108,321/4,622,938 = 4,622,938/x
3. Step 3: Cross multiply
   2,108,321x = 4,622,938 × 4,622,938
4. Step 4: Simplify right side
   2,108,321x = 21,371,555,751,844
5. Step 5: Solve for x
   x = 21,371,555,751,844/2,108,321
6. Step 6: Final answer
   x = 10,136,765.58