Finding the Third Proportional to 33,690 and 50,310

Step by Step Solution

1. Step 1: Write the proportion equation
   33,690 : 50,310 = 50,310 : x
2. Step 2: Convert to fraction form
   33,690/50,310 = 50,310/x
3. Step 3: Cross multiply
   33,690x = 50,310 × 50,310
4. Step 4: Simplify right side
   33,690x = 2,531,096,100
5. Step 5: Solve for x
   x = 2,531,096,100/33,690
6. Step 6: Final answer
   x = 75,129.00