Finding the Third Proportional to 74,072.50 and 105,849

Step by Step Solution

1. Step 1: Write the proportion equation
   74,072.50 : 105,849 = 105,849 : x
2. Step 2: Convert to fraction form
   74,072.50/105,849 = 105,849/x
3. Step 3: Cross multiply
   74,072.50x = 105,849 × 105,849
4. Step 4: Simplify right side
   74,072.50x = 11,204,010,801
5. Step 5: Solve for x
   x = 11,204,010,801/74,072.50
6. Step 6: Final answer
   x = 151,257.36