Finding the Third Proportional to 3,494,523 and 7,474,813

Step by Step Solution

1. Step 1: Write the proportion equation
   3,494,523 : 7,474,813 = 7,474,813 : x
2. Step 2: Convert to fraction form
   3,494,523/7,474,813 = 7,474,813/x
3. Step 3: Cross multiply
   3,494,523x = 7,474,813 × 7,474,813
4. Step 4: Simplify right side
   3,494,523x = 55,872,829,384,969
5. Step 5: Solve for x
   x = 55,872,829,384,969/3,494,523
6. Step 6: Final answer
   x = 15,988,685.55