Finding the Third Proportional to 3,123,328 and 6,517,760

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123,328 : 6,517,760 = 6,517,760 : x
2. Step 2: Convert to fraction form
   3,123,328/6,517,760 = 6,517,760/x
3. Step 3: Cross multiply
   3,123,328x = 6,517,760 × 6,517,760
4. Step 4: Simplify right side
   3,123,328x = 42,481,195,417,600
5. Step 5: Solve for x
   x = 42,481,195,417,600/3,123,328
6. Step 6: Final answer
   x = 13,601,259.75