Finding the Third Proportional to 61,137.75 and 144,092.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,137.75 : 144,092.50 = 144,092.50 : x
2. Step 2: Convert to fraction form
   61,137.75/144,092.50 = 144,092.50/x
3. Step 3: Cross multiply
   61,137.75x = 144,092.50 × 144,092.50
4. Step 4: Simplify right side
   61,137.75x = 20,762,648,556.25
5. Step 5: Solve for x
   x = 20,762,648,556.25/61,137.75
6. Step 6: Final answer
   x = 339,604.39