Finding the Third Proportional to 3,647,020 and 7,936,209

Step by Step Solution

1. Step 1: Write the proportion equation
   3,647,020 : 7,936,209 = 7,936,209 : x
2. Step 2: Convert to fraction form
   3,647,020/7,936,209 = 7,936,209/x
3. Step 3: Cross multiply
   3,647,020x = 7,936,209 × 7,936,209
4. Step 4: Simplify right side
   3,647,020x = 62,983,413,291,681
5. Step 5: Solve for x
   x = 62,983,413,291,681/3,647,020
6. Step 6: Final answer
   x = 17,269,829.42