Finding the Third Proportional to 33,358.50 and 72,549

Step by Step Solution

1. Step 1: Write the proportion equation
   33,358.50 : 72,549 = 72,549 : x
2. Step 2: Convert to fraction form
   33,358.50/72,549 = 72,549/x
3. Step 3: Cross multiply
   33,358.50x = 72,549 × 72,549
4. Step 4: Simplify right side
   33,358.50x = 5,263,357,401
5. Step 5: Solve for x
   x = 5,263,357,401/33,358.50
6. Step 6: Final answer
   x = 157,781.60