Finding the Third Proportional to 4,037,698 and 8,709,384

Step by Step Solution

1. Step 1: Write the proportion equation
   4,037,698 : 8,709,384 = 8,709,384 : x
2. Step 2: Convert to fraction form
   4,037,698/8,709,384 = 8,709,384/x
3. Step 3: Cross multiply
   4,037,698x = 8,709,384 × 8,709,384
4. Step 4: Simplify right side
   4,037,698x = 75,853,369,659,456
5. Step 5: Solve for x
   x = 75,853,369,659,456/4,037,698
6. Step 6: Final answer
   x = 18,786,291.02