Finding the Third Proportional to 113,892.75 and 245,308.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,892.75 : 245,308.50 = 245,308.50 : x
2. Step 2: Convert to fraction form
   113,892.75/245,308.50 = 245,308.50/x
3. Step 3: Cross multiply
   113,892.75x = 245,308.50 × 245,308.50
4. Step 4: Simplify right side
   113,892.75x = 60,176,260,172.25
5. Step 5: Solve for x
   x = 60,176,260,172.25/113,892.75
6. Step 6: Final answer
   x = 528,359.01