Finding the Third Proportional to 7,377,115.50 and 10,989,857.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,377,115.50 : 10,989,857.25 = 10,989,857.25 : x
2. Step 2: Convert to fraction form
   7,377,115.50/10,989,857.25 = 10,989,857.25/x
3. Step 3: Cross multiply
   7,377,115.50x = 10,989,857.25 × 10,989,857.25
4. Step 4: Simplify right side
   7,377,115.50x = 120,776,962,375,377.56
5. Step 5: Solve for x
   x = 120,776,962,375,377.56/7,377,115.50
6. Step 6: Final answer
   x = 16,371,841.05