Finding the Third Proportional to 3,505,806 and 5,480,142

Step by Step Solution

1. Step 1: Write the proportion equation
   3,505,806 : 5,480,142 = 5,480,142 : x
2. Step 2: Convert to fraction form
   3,505,806/5,480,142 = 5,480,142/x
3. Step 3: Cross multiply
   3,505,806x = 5,480,142 × 5,480,142
4. Step 4: Simplify right side
   3,505,806x = 30,031,956,340,164
5. Step 5: Solve for x
   x = 30,031,956,340,164/3,505,806
6. Step 6: Final answer
   x = 8,566,348.61