Finding the Third Proportional to 2,530,189 and 5,509,624

Step by Step Solution

1. Step 1: Write the proportion equation
   2,530,189 : 5,509,624 = 5,509,624 : x
2. Step 2: Convert to fraction form
   2,530,189/5,509,624 = 5,509,624/x
3. Step 3: Cross multiply
   2,530,189x = 5,509,624 × 5,509,624
4. Step 4: Simplify right side
   2,530,189x = 30,355,956,621,376
5. Step 5: Solve for x
   x = 30,355,956,621,376/2,530,189
6. Step 6: Final answer
   x = 11,997,505.57