Finding the Third Proportional to 1,186,578 and 2,588,774

Step by Step Solution

1. Step 1: Write the proportion equation
   1,186,578 : 2,588,774 = 2,588,774 : x
2. Step 2: Convert to fraction form
   1,186,578/2,588,774 = 2,588,774/x
3. Step 3: Cross multiply
   1,186,578x = 2,588,774 × 2,588,774
4. Step 4: Simplify right side
   1,186,578x = 6,701,750,823,076
5. Step 5: Solve for x
   x = 6,701,750,823,076/1,186,578
6. Step 6: Final answer
   x = 5,647,964.84