Finding the Third Proportional to 1,679,724 and 3,639,384

Step by Step Solution

1. Step 1: Write the proportion equation
   1,679,724 : 3,639,384 = 3,639,384 : x
2. Step 2: Convert to fraction form
   1,679,724/3,639,384 = 3,639,384/x
3. Step 3: Cross multiply
   1,679,724x = 3,639,384 × 3,639,384
4. Step 4: Simplify right side
   1,679,724x = 13,245,115,899,456
5. Step 5: Solve for x
   x = 13,245,115,899,456/1,679,724
6. Step 6: Final answer
   x = 7,885,293.00