Finding the Third Proportional to 113,460 and 248,736

Step by Step Solution

1. Step 1: Write the proportion equation
   113,460 : 248,736 = 248,736 : x
2. Step 2: Convert to fraction form
   113,460/248,736 = 248,736/x
3. Step 3: Cross multiply
   113,460x = 248,736 × 248,736
4. Step 4: Simplify right side
   113,460x = 61,869,597,696
5. Step 5: Solve for x
   x = 61,869,597,696/113,460
6. Step 6: Final answer
   x = 545,298.76