Finding the Third Proportional to 3,148,716 and 6,521,496

Step by Step Solution

1. Step 1: Write the proportion equation
   3,148,716 : 6,521,496 = 6,521,496 : x
2. Step 2: Convert to fraction form
   3,148,716/6,521,496 = 6,521,496/x
3. Step 3: Cross multiply
   3,148,716x = 6,521,496 × 6,521,496
4. Step 4: Simplify right side
   3,148,716x = 42,529,910,078,016
5. Step 5: Solve for x
   x = 42,529,910,078,016/3,148,716
6. Step 6: Final answer
   x = 13,507,064.49