Finding the Third Proportional to 107,817 and 230,416.50

Step by Step Solution

1. Step 1: Write the proportion equation
   107,817 : 230,416.50 = 230,416.50 : x
2. Step 2: Convert to fraction form
   107,817/230,416.50 = 230,416.50/x
3. Step 3: Cross multiply
   107,817x = 230,416.50 × 230,416.50
4. Step 4: Simplify right side
   107,817x = 53,091,763,472.25
5. Step 5: Solve for x
   x = 53,091,763,472.25/107,817
6. Step 6: Final answer
   x = 492,424.79