Finding the Third Proportional to 64,841.50 and 140,753

Step by Step Solution

1. Step 1: Write the proportion equation
   64,841.50 : 140,753 = 140,753 : x
2. Step 2: Convert to fraction form
   64,841.50/140,753 = 140,753/x
3. Step 3: Cross multiply
   64,841.50x = 140,753 × 140,753
4. Step 4: Simplify right side
   64,841.50x = 19,811,407,009
5. Step 5: Solve for x
   x = 19,811,407,009/64,841.50
6. Step 6: Final answer
   x = 305,535.91