Finding the Third Proportional to 3,669,328 and 5,396,138

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,328 : 5,396,138 = 5,396,138 : x
2. Step 2: Convert to fraction form
   3,669,328/5,396,138 = 5,396,138/x
3. Step 3: Cross multiply
   3,669,328x = 5,396,138 × 5,396,138
4. Step 4: Simplify right side
   3,669,328x = 29,118,305,315,044
5. Step 5: Solve for x
   x = 29,118,305,315,044/3,669,328
6. Step 6: Final answer
   x = 7,935,596.20