Finding the Third Proportional to 33,858.50 and 72,920.25

Step by Step Solution

1. Step 1: Write the proportion equation
   33,858.50 : 72,920.25 = 72,920.25 : x
2. Step 2: Convert to fraction form
   33,858.50/72,920.25 = 72,920.25/x
3. Step 3: Cross multiply
   33,858.50x = 72,920.25 × 72,920.25
4. Step 4: Simplify right side
   33,858.50x = 5,317,362,860.06
5. Step 5: Solve for x
   x = 5,317,362,860.06/33,858.50
6. Step 6: Final answer
   x = 157,046.62