Finding the Third Proportional to 53,472 and 108,240

Step by Step Solution

1. Step 1: Write the proportion equation
   53,472 : 108,240 = 108,240 : x
2. Step 2: Convert to fraction form
   53,472/108,240 = 108,240/x
3. Step 3: Cross multiply
   53,472x = 108,240 × 108,240
4. Step 4: Simplify right side
   53,472x = 11,715,897,600
5. Step 5: Solve for x
   x = 11,715,897,600/53,472
6. Step 6: Final answer
   x = 219,103.41