Finding the Third Proportional to 3,545,687 and 5,500,785

Step by Step Solution

1. Step 1: Write the proportion equation
   3,545,687 : 5,500,785 = 5,500,785 : x
2. Step 2: Convert to fraction form
   3,545,687/5,500,785 = 5,500,785/x
3. Step 3: Cross multiply
   3,545,687x = 5,500,785 × 5,500,785
4. Step 4: Simplify right side
   3,545,687x = 30,258,635,616,225
5. Step 5: Solve for x
   x = 30,258,635,616,225/3,545,687
6. Step 6: Final answer
   x = 8,533,927.45