Finding the Third Proportional to 3,839,784 and 8,249,392

Step by Step Solution

1. Step 1: Write the proportion equation
   3,839,784 : 8,249,392 = 8,249,392 : x
2. Step 2: Convert to fraction form
   3,839,784/8,249,392 = 8,249,392/x
3. Step 3: Cross multiply
   3,839,784x = 8,249,392 × 8,249,392
4. Step 4: Simplify right side
   3,839,784x = 68,052,468,369,664
5. Step 5: Solve for x
   x = 68,052,468,369,664/3,839,784
6. Step 6: Final answer
   x = 17,722,993.89