Finding the Third Proportional to 33,306.75 and 72,488.25

Step by Step Solution

1. Step 1: Write the proportion equation
   33,306.75 : 72,488.25 = 72,488.25 : x
2. Step 2: Convert to fraction form
   33,306.75/72,488.25 = 72,488.25/x
3. Step 3: Cross multiply
   33,306.75x = 72,488.25 × 72,488.25
4. Step 4: Simplify right side
   33,306.75x = 5,254,546,388.06
5. Step 5: Solve for x
   x = 5,254,546,388.06/33,306.75
6. Step 6: Final answer
   x = 157,762.21