Finding the Third Proportional to 113,100 and 245,688

Step by Step Solution

1. Step 1: Write the proportion equation
   113,100 : 245,688 = 245,688 : x
2. Step 2: Convert to fraction form
   113,100/245,688 = 245,688/x
3. Step 3: Cross multiply
   113,100x = 245,688 × 245,688
4. Step 4: Simplify right side
   113,100x = 60,362,593,344
5. Step 5: Solve for x
   x = 60,362,593,344/113,100
6. Step 6: Final answer
   x = 533,709.93