Finding the Third Proportional to 72,808 and 109,452

Step by Step Solution

1. Step 1: Write the proportion equation
   72,808 : 109,452 = 109,452 : x
2. Step 2: Convert to fraction form
   72,808/109,452 = 109,452/x
3. Step 3: Cross multiply
   72,808x = 109,452 × 109,452
4. Step 4: Simplify right side
   72,808x = 11,979,740,304
5. Step 5: Solve for x
   x = 11,979,740,304/72,808
6. Step 6: Final answer
   x = 164,538.79