Finding the Third Proportional to 5,272,344 and 8,439,183

Step by Step Solution

1. Step 1: Write the proportion equation
   5,272,344 : 8,439,183 = 8,439,183 : x
2. Step 2: Convert to fraction form
   5,272,344/8,439,183 = 8,439,183/x
3. Step 3: Cross multiply
   5,272,344x = 8,439,183 × 8,439,183
4. Step 4: Simplify right side
   5,272,344x = 71,219,809,707,489
5. Step 5: Solve for x
   x = 71,219,809,707,489/5,272,344
6. Step 6: Final answer
   x = 13,508,187.19