Finding the Third Proportional to 5,978,192 and 8,388,585

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978,192 : 8,388,585 = 8,388,585 : x
2. Step 2: Convert to fraction form
   5,978,192/8,388,585 = 8,388,585/x
3. Step 3: Cross multiply
   5,978,192x = 8,388,585 × 8,388,585
4. Step 4: Simplify right side
   5,978,192x = 70,368,358,302,225
5. Step 5: Solve for x
   x = 70,368,358,302,225/5,978,192
6. Step 6: Final answer
   x = 11,770,842.81