Finding the Third Proportional to 33,310 and 71,360

Step by Step Solution

1. Step 1: Write the proportion equation
   33,310 : 71,360 = 71,360 : x
2. Step 2: Convert to fraction form
   33,310/71,360 = 71,360/x
3. Step 3: Cross multiply
   33,310x = 71,360 × 71,360
4. Step 4: Simplify right side
   33,310x = 5,092,249,600
5. Step 5: Solve for x
   x = 5,092,249,600/33,310
6. Step 6: Final answer
   x = 152,874.50