Finding the Third Proportional to 114,298 and 247,388

Step by Step Solution

1. Step 1: Write the proportion equation
   114,298 : 247,388 = 247,388 : x
2. Step 2: Convert to fraction form
   114,298/247,388 = 247,388/x
3. Step 3: Cross multiply
   114,298x = 247,388 × 247,388
4. Step 4: Simplify right side
   114,298x = 61,200,822,544
5. Step 5: Solve for x
   x = 61,200,822,544/114,298
6. Step 6: Final answer
   x = 535,449.64