Finding the Third Proportional to 12,353,442.50 and 17,821,359.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,353,442.50 : 17,821,359.50 = 17,821,359.50 : x
2. Step 2: Convert to fraction form
   12,353,442.50/17,821,359.50 = 17,821,359.50/x
3. Step 3: Cross multiply
   12,353,442.50x = 17,821,359.50 × 17,821,359.50
4. Step 4: Simplify right side
   12,353,442.50x = 317,600,854,428,240.25
5. Step 5: Solve for x
   x = 317,600,854,428,240.25/12,353,442.50
6. Step 6: Final answer
   x = 25,709,501.98