Finding the Third Proportional to 2,586,432 and 5,620,496

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586,432 : 5,620,496 = 5,620,496 : x
2. Step 2: Convert to fraction form
   2,586,432/5,620,496 = 5,620,496/x
3. Step 3: Cross multiply
   2,586,432x = 5,620,496 × 5,620,496
4. Step 4: Simplify right side
   2,586,432x = 31,589,975,286,016
5. Step 5: Solve for x
   x = 31,589,975,286,016/2,586,432
6. Step 6: Final answer
   x = 12,213,727.36