Finding the Third Proportional to 5,272,350 and 8,439,193

Step by Step Solution

1. Step 1: Write the proportion equation
   5,272,350 : 8,439,193 = 8,439,193 : x
2. Step 2: Convert to fraction form
   5,272,350/8,439,193 = 8,439,193/x
3. Step 3: Cross multiply
   5,272,350x = 8,439,193 × 8,439,193
4. Step 4: Simplify right side
   5,272,350x = 71,219,978,491,249
5. Step 5: Solve for x
   x = 71,219,978,491,249/5,272,350
6. Step 6: Final answer
   x = 13,508,203.84