Finding the Third Proportional to 33,339.25 and 72,402.75

Step by Step Solution

1. Step 1: Write the proportion equation
   33,339.25 : 72,402.75 = 72,402.75 : x
2. Step 2: Convert to fraction form
   33,339.25/72,402.75 = 72,402.75/x
3. Step 3: Cross multiply
   33,339.25x = 72,402.75 × 72,402.75
4. Step 4: Simplify right side
   33,339.25x = 5,242,158,207.56
5. Step 5: Solve for x
   x = 5,242,158,207.56/33,339.25
6. Step 6: Final answer
   x = 157,236.84