Finding the Third Proportional to 112,192 and 245,503

Step by Step Solution

1. Step 1: Write the proportion equation
   112,192 : 245,503 = 245,503 : x
2. Step 2: Convert to fraction form
   112,192/245,503 = 245,503/x
3. Step 3: Cross multiply
   112,192x = 245,503 × 245,503
4. Step 4: Simplify right side
   112,192x = 60,271,723,009
5. Step 5: Solve for x
   x = 60,271,723,009/112,192
6. Step 6: Final answer
   x = 537,219.44