Finding the Third Proportional to 1,536,640 and 3,353,216

Step by Step Solution

1. Step 1: Write the proportion equation
   1,536,640 : 3,353,216 = 3,353,216 : x
2. Step 2: Convert to fraction form
   1,536,640/3,353,216 = 3,353,216/x
3. Step 3: Cross multiply
   1,536,640x = 3,353,216 × 3,353,216
4. Step 4: Simplify right side
   1,536,640x = 11,244,057,542,656
5. Step 5: Solve for x
   x = 11,244,057,542,656/1,536,640
6. Step 6: Final answer
   x = 7,317,301.09