Finding the Third Proportional to 33,340.50 and 72,672.75

Step by Step Solution

1. Step 1: Write the proportion equation
   33,340.50 : 72,672.75 = 72,672.75 : x
2. Step 2: Convert to fraction form
   33,340.50/72,672.75 = 72,672.75/x
3. Step 3: Cross multiply
   33,340.50x = 72,672.75 × 72,672.75
4. Step 4: Simplify right side
   33,340.50x = 5,281,328,592.56
5. Step 5: Solve for x
   x = 5,281,328,592.56/33,340.50
6. Step 6: Final answer
   x = 158,405.80