Finding the Third Proportional to 90,733.50 and 188,910

Step by Step Solution

1. Step 1: Write the proportion equation
   90,733.50 : 188,910 = 188,910 : x
2. Step 2: Convert to fraction form
   90,733.50/188,910 = 188,910/x
3. Step 3: Cross multiply
   90,733.50x = 188,910 × 188,910
4. Step 4: Simplify right side
   90,733.50x = 35,686,988,100
5. Step 5: Solve for x
   x = 35,686,988,100/90,733.50
6. Step 6: Final answer
   x = 393,316.56