Finding the Third Proportional to 113,818.50 and 245,873.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,818.50 : 245,873.50 = 245,873.50 : x
2. Step 2: Convert to fraction form
   113,818.50/245,873.50 = 245,873.50/x
3. Step 3: Cross multiply
   113,818.50x = 245,873.50 × 245,873.50
4. Step 4: Simplify right side
   113,818.50x = 60,453,778,002.25
5. Step 5: Solve for x
   x = 60,453,778,002.25/113,818.50
6. Step 6: Final answer
   x = 531,141.93