Finding the Third Proportional to 59,305.50 and 139,954.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,305.50 : 139,954.50 = 139,954.50 : x
2. Step 2: Convert to fraction form
   59,305.50/139,954.50 = 139,954.50/x
3. Step 3: Cross multiply
   59,305.50x = 139,954.50 × 139,954.50
4. Step 4: Simplify right side
   59,305.50x = 19,587,262,070.25
5. Step 5: Solve for x
   x = 19,587,262,070.25/59,305.50
6. Step 6: Final answer
   x = 330,277.33