Finding the Third Proportional to 33,874.88 and 72,420.75

Step by Step Solution

1. Step 1: Write the proportion equation
   33,874.88 : 72,420.75 = 72,420.75 : x
2. Step 2: Convert to fraction form
   33,874.88/72,420.75 = 72,420.75/x
3. Step 3: Cross multiply
   33,874.88x = 72,420.75 × 72,420.75
4. Step 4: Simplify right side
   33,874.88x = 5,244,765,030.56
5. Step 5: Solve for x
   x = 5,244,765,030.56/33,874.88
6. Step 6: Final answer
   x = 154,827.58