Finding the Third Proportional to 47,019,123 and 72,624,911

Step by Step Solution

1. Step 1: Write the proportion equation
   47,019,123 : 72,624,911 = 72,624,911 : x
2. Step 2: Convert to fraction form
   47,019,123/72,624,911 = 72,624,911/x
3. Step 3: Cross multiply
   47,019,123x = 72,624,911 × 72,624,911
4. Step 4: Simplify right side
   47,019,123x = 5,274,377,697,757,921
5. Step 5: Solve for x
   x = 5,274,377,697,757,921/47,019,123
6. Step 6: Final answer
   x = 112,175,161.11