Finding the Third Proportional to 40,721 and 88,405

Step by Step Solution

1. Step 1: Write the proportion equation
   40,721 : 88,405 = 88,405 : x
2. Step 2: Convert to fraction form
   40,721/88,405 = 88,405/x
3. Step 3: Cross multiply
   40,721x = 88,405 × 88,405
4. Step 4: Simplify right side
   40,721x = 7,815,444,025
5. Step 5: Solve for x
   x = 7,815,444,025/40,721
6. Step 6: Final answer
   x = 191,926.62