Finding the Third Proportional to 74,028.50 and 105,505.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,028.50 : 105,505.50 = 105,505.50 : x
2. Step 2: Convert to fraction form
   74,028.50/105,505.50 = 105,505.50/x
3. Step 3: Cross multiply
   74,028.50x = 105,505.50 × 105,505.50
4. Step 4: Simplify right side
   74,028.50x = 11,131,410,530.25
5. Step 5: Solve for x
   x = 11,131,410,530.25/74,028.50
6. Step 6: Final answer
   x = 150,366.56