Finding the Third Proportional to 59,271.75 and 142,843.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,271.75 : 142,843.50 = 142,843.50 : x
2. Step 2: Convert to fraction form
   59,271.75/142,843.50 = 142,843.50/x
3. Step 3: Cross multiply
   59,271.75x = 142,843.50 × 142,843.50
4. Step 4: Simplify right side
   59,271.75x = 20,404,265,492.25
5. Step 5: Solve for x
   x = 20,404,265,492.25/59,271.75
6. Step 6: Final answer
   x = 344,249.42