Finding the Third Proportional to 2,505,138 and 5,584,008

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505,138 : 5,584,008 = 5,584,008 : x
2. Step 2: Convert to fraction form
   2,505,138/5,584,008 = 5,584,008/x
3. Step 3: Cross multiply
   2,505,138x = 5,584,008 × 5,584,008
4. Step 4: Simplify right side
   2,505,138x = 31,181,145,344,064
5. Step 5: Solve for x
   x = 31,181,145,344,064/2,505,138
6. Step 6: Final answer
   x = 12,446,877.32