Finding the Third Proportional to 113,150 and 248,890

Step by Step Solution

1. Step 1: Write the proportion equation
   113,150 : 248,890 = 248,890 : x
2. Step 2: Convert to fraction form
   113,150/248,890 = 248,890/x
3. Step 3: Cross multiply
   113,150x = 248,890 × 248,890
4. Step 4: Simplify right side
   113,150x = 61,946,232,100
5. Step 5: Solve for x
   x = 61,946,232,100/113,150
6. Step 6: Final answer
   x = 547,470.01