Finding the Third Proportional to 112,242 and 245,598

Step by Step Solution

1. Step 1: Write the proportion equation
   112,242 : 245,598 = 245,598 : x
2. Step 2: Convert to fraction form
   112,242/245,598 = 245,598/x
3. Step 3: Cross multiply
   112,242x = 245,598 × 245,598
4. Step 4: Simplify right side
   112,242x = 60,318,377,604
5. Step 5: Solve for x
   x = 60,318,377,604/112,242
6. Step 6: Final answer
   x = 537,395.78