Finding the Third Proportional to 112,986 and 245,412

Step by Step Solution

1. Step 1: Write the proportion equation
   112,986 : 245,412 = 245,412 : x
2. Step 2: Convert to fraction form
   112,986/245,412 = 245,412/x
3. Step 3: Cross multiply
   112,986x = 245,412 × 245,412
4. Step 4: Simplify right side
   112,986x = 60,227,049,744
5. Step 5: Solve for x
   x = 60,227,049,744/112,986
6. Step 6: Final answer
   x = 533,048.78