Finding the Third Proportional to 2,494,490 and 5,388,148

Step by Step Solution

1. Step 1: Write the proportion equation
   2,494,490 : 5,388,148 = 5,388,148 : x
2. Step 2: Convert to fraction form
   2,494,490/5,388,148 = 5,388,148/x
3. Step 3: Cross multiply
   2,494,490x = 5,388,148 × 5,388,148
4. Step 4: Simplify right side
   2,494,490x = 29,032,138,869,904
5. Step 5: Solve for x
   x = 29,032,138,869,904/2,494,490
6. Step 6: Final answer
   x = 11,638,506.82