Finding the Third Proportional to 112,248 and 245,608

Step by Step Solution

1. Step 1: Write the proportion equation
   112,248 : 245,608 = 245,608 : x
2. Step 2: Convert to fraction form
   112,248/245,608 = 245,608/x
3. Step 3: Cross multiply
   112,248x = 245,608 × 245,608
4. Step 4: Simplify right side
   112,248x = 60,323,289,664
5. Step 5: Solve for x
   x = 60,323,289,664/112,248
6. Step 6: Final answer
   x = 537,410.82