Finding the Third Proportional to 59,287.50 and 139,950.56

Step by Step Solution

1. Step 1: Write the proportion equation
   59,287.50 : 139,950.56 = 139,950.56 : x
2. Step 2: Convert to fraction form
   59,287.50/139,950.56 = 139,950.56/x
3. Step 3: Cross multiply
   59,287.50x = 139,950.56 × 139,950.56
4. Step 4: Simplify right side
   59,287.50x = 19,586,159,944.07
5. Step 5: Solve for x
   x = 19,586,159,944.07/59,287.50
6. Step 6: Final answer
   x = 330,359.01