Finding the Third Proportional to 1,604,640 and 3,524,224

Step by Step Solution

1. Step 1: Write the proportion equation
   1,604,640 : 3,524,224 = 3,524,224 : x
2. Step 2: Convert to fraction form
   1,604,640/3,524,224 = 3,524,224/x
3. Step 3: Cross multiply
   1,604,640x = 3,524,224 × 3,524,224
4. Step 4: Simplify right side
   1,604,640x = 12,420,154,802,176
5. Step 5: Solve for x
   x = 12,420,154,802,176/1,604,640
6. Step 6: Final answer
   x = 7,740,150.32