Finding the Third Proportional to 59,467.50 and 143,725.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,467.50 : 143,725.50 = 143,725.50 : x
2. Step 2: Convert to fraction form
   59,467.50/143,725.50 = 143,725.50/x
3. Step 3: Cross multiply
   59,467.50x = 143,725.50 × 143,725.50
4. Step 4: Simplify right side
   59,467.50x = 20,657,019,350.25
5. Step 5: Solve for x
   x = 20,657,019,350.25/59,467.50
6. Step 6: Final answer
   x = 347,366.53