Finding the Third Proportional to 2,139,774 and 4,616,592

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,774 : 4,616,592 = 4,616,592 : x
2. Step 2: Convert to fraction form
   2,139,774/4,616,592 = 4,616,592/x
3. Step 3: Cross multiply
   2,139,774x = 4,616,592 × 4,616,592
4. Step 4: Simplify right side
   2,139,774x = 21,312,921,694,464
5. Step 5: Solve for x
   x = 21,312,921,694,464/2,139,774
6. Step 6: Final answer
   x = 9,960,361.09