Finding the Third Proportional to 5,320,178 and 8,254,727

Step by Step Solution

1. Step 1: Write the proportion equation
   5,320,178 : 8,254,727 = 8,254,727 : x
2. Step 2: Convert to fraction form
   5,320,178/8,254,727 = 8,254,727/x
3. Step 3: Cross multiply
   5,320,178x = 8,254,727 × 8,254,727
4. Step 4: Simplify right side
   5,320,178x = 68,140,517,844,529
5. Step 5: Solve for x
   x = 68,140,517,844,529/5,320,178
6. Step 6: Final answer
   x = 12,807,939.48