Finding the Third Proportional to 112,198.50 and 245,457

Step by Step Solution

1. Step 1: Write the proportion equation
   112,198.50 : 245,457 = 245,457 : x
2. Step 2: Convert to fraction form
   112,198.50/245,457 = 245,457/x
3. Step 3: Cross multiply
   112,198.50x = 245,457 × 245,457
4. Step 4: Simplify right side
   112,198.50x = 60,249,138,849
5. Step 5: Solve for x
   x = 60,249,138,849/112,198.50
6. Step 6: Final answer
   x = 536,987.03