Finding the Third Proportional to 2,485,012.50 and 5,435,284.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485,012.50 : 5,435,284.50 = 5,435,284.50 : x
2. Step 2: Convert to fraction form
   2,485,012.50/5,435,284.50 = 5,435,284.50/x
3. Step 3: Cross multiply
   2,485,012.50x = 5,435,284.50 × 5,435,284.50
4. Step 4: Simplify right side
   2,485,012.50x = 29,542,317,595,940.25
5. Step 5: Solve for x
   x = 29,542,317,595,940.25/2,485,012.50
6. Step 6: Final answer
   x = 11,888,196.78