Finding the Third Proportional to 107,876 and 236,488

Step by Step Solution

1. Step 1: Write the proportion equation
   107,876 : 236,488 = 236,488 : x
2. Step 2: Convert to fraction form
   107,876/236,488 = 236,488/x
3. Step 3: Cross multiply
   107,876x = 236,488 × 236,488
4. Step 4: Simplify right side
   107,876x = 55,926,574,144
5. Step 5: Solve for x
   x = 55,926,574,144/107,876
6. Step 6: Final answer
   x = 518,433.89