Finding the Third Proportional to 7,377,118 and 10,989,860

Step by Step Solution

1. Step 1: Write the proportion equation
   7,377,118 : 10,989,860 = 10,989,860 : x
2. Step 2: Convert to fraction form
   7,377,118/10,989,860 = 10,989,860/x
3. Step 3: Cross multiply
   7,377,118x = 10,989,860 × 10,989,860
4. Step 4: Simplify right side
   7,377,118x = 120,777,022,819,600
5. Step 5: Solve for x
   x = 120,777,022,819,600/7,377,118
6. Step 6: Final answer
   x = 16,371,843.70