Finding the Third Proportional to 112,410 and 245,556

Step by Step Solution

1. Step 1: Write the proportion equation
   112,410 : 245,556 = 245,556 : x
2. Step 2: Convert to fraction form
   112,410/245,556 = 245,556/x
3. Step 3: Cross multiply
   112,410x = 245,556 × 245,556
4. Step 4: Simplify right side
   112,410x = 60,297,749,136
5. Step 5: Solve for x
   x = 60,297,749,136/112,410
6. Step 6: Final answer
   x = 536,409.12