Finding the Third Proportional to 47,208 and 103,128

Step by Step Solution

1. Step 1: Write the proportion equation
   47,208 : 103,128 = 103,128 : x
2. Step 2: Convert to fraction form
   47,208/103,128 = 103,128/x
3. Step 3: Cross multiply
   47,208x = 103,128 × 103,128
4. Step 4: Simplify right side
   47,208x = 10,635,384,384
5. Step 5: Solve for x
   x = 10,635,384,384/47,208
6. Step 6: Final answer
   x = 225,287.76