Finding the Third Proportional to 2,530,198.50 and 5,509,642.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,530,198.50 : 5,509,642.50 = 5,509,642.50 : x
2. Step 2: Convert to fraction form
   2,530,198.50/5,509,642.50 = 5,509,642.50/x
3. Step 3: Cross multiply
   2,530,198.50x = 5,509,642.50 × 5,509,642.50
4. Step 4: Simplify right side
   2,530,198.50x = 30,356,160,477,806.25
5. Step 5: Solve for x
   x = 30,356,160,477,806.25/2,530,198.50
6. Step 6: Final answer
   x = 11,997,541.09