Finding the Third Proportional to 4,877,777 and 7,245,912

Step by Step Solution

1. Step 1: Write the proportion equation
   4,877,777 : 7,245,912 = 7,245,912 : x
2. Step 2: Convert to fraction form
   4,877,777/7,245,912 = 7,245,912/x
3. Step 3: Cross multiply
   4,877,777x = 7,245,912 × 7,245,912
4. Step 4: Simplify right side
   4,877,777x = 52,503,240,711,744
5. Step 5: Solve for x
   x = 52,503,240,711,744/4,877,777
6. Step 6: Final answer
   x = 10,763,764.05