Finding the Third Proportional to 113,972.25 and 248,012.25

Step by Step Solution

1. Step 1: Write the proportion equation
   113,972.25 : 248,012.25 = 248,012.25 : x
2. Step 2: Convert to fraction form
   113,972.25/248,012.25 = 248,012.25/x
3. Step 3: Cross multiply
   113,972.25x = 248,012.25 × 248,012.25
4. Step 4: Simplify right side
   113,972.25x = 61,510,076,150.06
5. Step 5: Solve for x
   x = 61,510,076,150.06/113,972.25
6. Step 6: Final answer
   x = 539,693.44