Finding the Third Proportional to 3,906,160 and 8,557,068

Step by Step Solution

1. Step 1: Write the proportion equation
   3,906,160 : 8,557,068 = 8,557,068 : x
2. Step 2: Convert to fraction form
   3,906,160/8,557,068 = 8,557,068/x
3. Step 3: Cross multiply
   3,906,160x = 8,557,068 × 8,557,068
4. Step 4: Simplify right side
   3,906,160x = 73,223,412,756,624
5. Step 5: Solve for x
   x = 73,223,412,756,624/3,906,160
6. Step 6: Final answer
   x = 18,745,625.56