Finding the Third Proportional to 2,530,191 and 5,509,628

Step by Step Solution

1. Step 1: Write the proportion equation
   2,530,191 : 5,509,628 = 5,509,628 : x
2. Step 2: Convert to fraction form
   2,530,191/5,509,628 = 5,509,628/x
3. Step 3: Cross multiply
   2,530,191x = 5,509,628 × 5,509,628
4. Step 4: Simplify right side
   2,530,191x = 30,356,000,698,384
5. Step 5: Solve for x
   x = 30,356,000,698,384/2,530,191
6. Step 6: Final answer
   x = 11,997,513.51