Finding the Third Proportional to 3,984,282 and 8,716,518

Step by Step Solution

1. Step 1: Write the proportion equation
   3,984,282 : 8,716,518 = 8,716,518 : x
2. Step 2: Convert to fraction form
   3,984,282/8,716,518 = 8,716,518/x
3. Step 3: Cross multiply
   3,984,282x = 8,716,518 × 8,716,518
4. Step 4: Simplify right side
   3,984,282x = 75,977,686,044,324
5. Step 5: Solve for x
   x = 75,977,686,044,324/3,984,282
6. Step 6: Final answer
   x = 19,069,354.54