Finding the Third Proportional to 33,330 and 71,250

Step by Step Solution

1. Step 1: Write the proportion equation
   33,330 : 71,250 = 71,250 : x
2. Step 2: Convert to fraction form
   33,330/71,250 = 71,250/x
3. Step 3: Cross multiply
   33,330x = 71,250 × 71,250
4. Step 4: Simplify right side
   33,330x = 5,076,562,500
5. Step 5: Solve for x
   x = 5,076,562,500/33,330
6. Step 6: Final answer
   x = 152,312.11