Finding the Third Proportional to 2,530,186.50 and 5,509,618

Step by Step Solution

1. Step 1: Write the proportion equation
   2,530,186.50 : 5,509,618 = 5,509,618 : x
2. Step 2: Convert to fraction form
   2,530,186.50/5,509,618 = 5,509,618/x
3. Step 3: Cross multiply
   2,530,186.50x = 5,509,618 × 5,509,618
4. Step 4: Simplify right side
   2,530,186.50x = 30,355,890,505,924
5. Step 5: Solve for x
   x = 30,355,890,505,924/2,530,186.50
6. Step 6: Final answer
   x = 11,997,491.29