Finding the Third Proportional to 113,931.25 and 245,392.25

Step by Step Solution

1. Step 1: Write the proportion equation
   113,931.25 : 245,392.25 = 245,392.25 : x
2. Step 2: Convert to fraction form
   113,931.25/245,392.25 = 245,392.25/x
3. Step 3: Cross multiply
   113,931.25x = 245,392.25 × 245,392.25
4. Step 4: Simplify right side
   113,931.25x = 60,217,356,360.06
5. Step 5: Solve for x
   x = 60,217,356,360.06/113,931.25
6. Step 6: Final answer
   x = 528,541.17