Finding the Third Proportional to 54,802.50 and 74,265.38

Step by Step Solution

1. Step 1: Write the proportion equation
   54,802.50 : 74,265.38 = 74,265.38 : x
2. Step 2: Convert to fraction form
   54,802.50/74,265.38 = 74,265.38/x
3. Step 3: Cross multiply
   54,802.50x = 74,265.38 × 74,265.38
4. Step 4: Simplify right side
   54,802.50x = 5,515,345,923.89
5. Step 5: Solve for x
   x = 5,515,345,923.89/54,802.50
6. Step 6: Final answer
   x = 100,640.41