Finding the Third Proportional to 107,276.50 and 231,416

Step by Step Solution

1. Step 1: Write the proportion equation
   107,276.50 : 231,416 = 231,416 : x
2. Step 2: Convert to fraction form
   107,276.50/231,416 = 231,416/x
3. Step 3: Cross multiply
   107,276.50x = 231,416 × 231,416
4. Step 4: Simplify right side
   107,276.50x = 53,553,365,056
5. Step 5: Solve for x
   x = 53,553,365,056/107,276.50
6. Step 6: Final answer
   x = 499,208.73