Finding the Third Proportional to 116,208 and 245,472

Step by Step Solution

1. Step 1: Write the proportion equation
   116,208 : 245,472 = 245,472 : x
2. Step 2: Convert to fraction form
   116,208/245,472 = 245,472/x
3. Step 3: Cross multiply
   116,208x = 245,472 × 245,472
4. Step 4: Simplify right side
   116,208x = 60,256,502,784
5. Step 5: Solve for x
   x = 60,256,502,784/116,208
6. Step 6: Final answer
   x = 518,522.85