Finding the Third Proportional to 72,405 and 88,443

Step by Step Solution

1. Step 1: Write the proportion equation
   72,405 : 88,443 = 88,443 : x
2. Step 2: Convert to fraction form
   72,405/88,443 = 88,443/x
3. Step 3: Cross multiply
   72,405x = 88,443 × 88,443
4. Step 4: Simplify right side
   72,405x = 7,822,164,249
5. Step 5: Solve for x
   x = 7,822,164,249/72,405
6. Step 6: Final answer
   x = 108,033.48