Finding the Third Proportional to 107,891 and 237,196

Step by Step Solution

1. Step 1: Write the proportion equation
   107,891 : 237,196 = 237,196 : x
2. Step 2: Convert to fraction form
   107,891/237,196 = 237,196/x
3. Step 3: Cross multiply
   107,891x = 237,196 × 237,196
4. Step 4: Simplify right side
   107,891x = 56,261,942,416
5. Step 5: Solve for x
   x = 56,261,942,416/107,891
6. Step 6: Final answer
   x = 521,470.21