Finding the Third Proportional to 59,905.50 and 142,453.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,905.50 : 142,453.50 = 142,453.50 : x
2. Step 2: Convert to fraction form
   59,905.50/142,453.50 = 142,453.50/x
3. Step 3: Cross multiply
   59,905.50x = 142,453.50 × 142,453.50
4. Step 4: Simplify right side
   59,905.50x = 20,292,999,662.25
5. Step 5: Solve for x
   x = 20,292,999,662.25/59,905.50
6. Step 6: Final answer
   x = 338,750.19