Finding the Third Proportional to 113,931 and 245,392

Step by Step Solution

1. Step 1: Write the proportion equation
   113,931 : 245,392 = 245,392 : x
2. Step 2: Convert to fraction form
   113,931/245,392 = 245,392/x
3. Step 3: Cross multiply
   113,931x = 245,392 × 245,392
4. Step 4: Simplify right side
   113,931x = 60,217,233,664
5. Step 5: Solve for x
   x = 60,217,233,664/113,931
6. Step 6: Final answer
   x = 528,541.25