Finding the Third Proportional to 1,639,592 and 3,562,864

Step by Step Solution

1. Step 1: Write the proportion equation
   1,639,592 : 3,562,864 = 3,562,864 : x
2. Step 2: Convert to fraction form
   1,639,592/3,562,864 = 3,562,864/x
3. Step 3: Cross multiply
   1,639,592x = 3,562,864 × 3,562,864
4. Step 4: Simplify right side
   1,639,592x = 12,693,999,882,496
5. Step 5: Solve for x
   x = 12,693,999,882,496/1,639,592
6. Step 6: Final answer
   x = 7,742,169.93