Finding the Third Proportional to 49,618.50 and 74,436.75

Step by Step Solution

1. Step 1: Write the proportion equation
   49,618.50 : 74,436.75 = 74,436.75 : x
2. Step 2: Convert to fraction form
   49,618.50/74,436.75 = 74,436.75/x
3. Step 3: Cross multiply
   49,618.50x = 74,436.75 × 74,436.75
4. Step 4: Simplify right side
   49,618.50x = 5,540,829,750.56
5. Step 5: Solve for x
   x = 5,540,829,750.56/49,618.50
6. Step 6: Final answer
   x = 111,668.63