Finding the Third Proportional to 2,494,478 and 5,388,124

Step by Step Solution

1. Step 1: Write the proportion equation
   2,494,478 : 5,388,124 = 5,388,124 : x
2. Step 2: Convert to fraction form
   2,494,478/5,388,124 = 5,388,124/x
3. Step 3: Cross multiply
   2,494,478x = 5,388,124 × 5,388,124
4. Step 4: Simplify right side
   2,494,478x = 29,031,880,239,376
5. Step 5: Solve for x
   x = 29,031,880,239,376/2,494,478
6. Step 6: Final answer
   x = 11,638,459.12