Finding the Third Proportional to 3,704,418 and 8,117,208

Step by Step Solution

1. Step 1: Write the proportion equation
   3,704,418 : 8,117,208 = 8,117,208 : x
2. Step 2: Convert to fraction form
   3,704,418/8,117,208 = 8,117,208/x
3. Step 3: Cross multiply
   3,704,418x = 8,117,208 × 8,117,208
4. Step 4: Simplify right side
   3,704,418x = 65,889,065,715,264
5. Step 5: Solve for x
   x = 65,889,065,715,264/3,704,418
6. Step 6: Final answer
   x = 17,786,617.42