Finding the Third Proportional to 1,658,898 and 3,639,204

Step by Step Solution

1. Step 1: Write the proportion equation
   1,658,898 : 3,639,204 = 3,639,204 : x
2. Step 2: Convert to fraction form
   1,658,898/3,639,204 = 3,639,204/x
3. Step 3: Cross multiply
   1,658,898x = 3,639,204 × 3,639,204
4. Step 4: Simplify right side
   1,658,898x = 13,243,805,753,616
5. Step 5: Solve for x
   x = 13,243,805,753,616/1,658,898
6. Step 6: Final answer
   x = 7,983,496.12