Finding the Third Proportional to 3,839,770 and 8,249,371

Step by Step Solution

1. Step 1: Write the proportion equation
   3,839,770 : 8,249,371 = 8,249,371 : x
2. Step 2: Convert to fraction form
   3,839,770/8,249,371 = 8,249,371/x
3. Step 3: Cross multiply
   3,839,770x = 8,249,371 × 8,249,371
4. Step 4: Simplify right side
   3,839,770x = 68,052,121,895,641
5. Step 5: Solve for x
   x = 68,052,121,895,641/3,839,770
6. Step 6: Final answer
   x = 17,722,968.28