Finding the Third Proportional to 112,872 and 245,196

Step by Step Solution

1. Step 1: Write the proportion equation
   112,872 : 245,196 = 245,196 : x
2. Step 2: Convert to fraction form
   112,872/245,196 = 245,196/x
3. Step 3: Cross multiply
   112,872x = 245,196 × 245,196
4. Step 4: Simplify right side
   112,872x = 60,121,078,416
5. Step 5: Solve for x
   x = 60,121,078,416/112,872
6. Step 6: Final answer
   x = 532,648.30