Finding the Third Proportional to 3,545,685 and 5,500,782

Step by Step Solution

1. Step 1: Write the proportion equation
   3,545,685 : 5,500,782 = 5,500,782 : x
2. Step 2: Convert to fraction form
   3,545,685/5,500,782 = 5,500,782/x
3. Step 3: Cross multiply
   3,545,685x = 5,500,782 × 5,500,782
4. Step 4: Simplify right side
   3,545,685x = 30,258,602,611,524
5. Step 5: Solve for x
   x = 30,258,602,611,524/3,545,685
6. Step 6: Final answer
   x = 8,533,922.95