Finding the Third Proportional to 3,615,849 and 5,470,431

Step by Step Solution

1. Step 1: Write the proportion equation
   3,615,849 : 5,470,431 = 5,470,431 : x
2. Step 2: Convert to fraction form
   3,615,849/5,470,431 = 5,470,431/x
3. Step 3: Cross multiply
   3,615,849x = 5,470,431 × 5,470,431
4. Step 4: Simplify right side
   3,615,849x = 29,925,615,325,761
5. Step 5: Solve for x
   x = 29,925,615,325,761/3,615,849
6. Step 6: Final answer
   x = 8,276,234.80