Finding the Third Proportional to 5,978,184 and 8,388,573

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978,184 : 8,388,573 = 8,388,573 : x
2. Step 2: Convert to fraction form
   5,978,184/8,388,573 = 8,388,573/x
3. Step 3: Cross multiply
   5,978,184x = 8,388,573 × 8,388,573
4. Step 4: Simplify right side
   5,978,184x = 70,368,156,976,329
5. Step 5: Solve for x
   x = 70,368,156,976,329/5,978,184
6. Step 6: Final answer
   x = 11,770,824.88