Finding the Third Proportional to 2,453,987 and 5,249,144

Step by Step Solution

1. Step 1: Write the proportion equation
   2,453,987 : 5,249,144 = 5,249,144 : x
2. Step 2: Convert to fraction form
   2,453,987/5,249,144 = 5,249,144/x
3. Step 3: Cross multiply
   2,453,987x = 5,249,144 × 5,249,144
4. Step 4: Simplify right side
   2,453,987x = 27,553,512,732,736
5. Step 5: Solve for x
   x = 27,553,512,732,736/2,453,987
6. Step 6: Final answer
   x = 11,228,059.78