Finding the Third Proportional to 3,786,490 and 8,329,988

Step by Step Solution

1. Step 1: Write the proportion equation
   3,786,490 : 8,329,988 = 8,329,988 : x
2. Step 2: Convert to fraction form
   3,786,490/8,329,988 = 8,329,988/x
3. Step 3: Cross multiply
   3,786,490x = 8,329,988 × 8,329,988
4. Step 4: Simplify right side
   3,786,490x = 69,388,700,080,144
5. Step 5: Solve for x
   x = 69,388,700,080,144/3,786,490
6. Step 6: Final answer
   x = 18,325,335.62