Finding the Third Proportional to 80,226 and 91,890

Step by Step Solution

1. Step 1: Write the proportion equation
   80,226 : 91,890 = 91,890 : x
2. Step 2: Convert to fraction form
   80,226/91,890 = 91,890/x
3. Step 3: Cross multiply
   80,226x = 91,890 × 91,890
4. Step 4: Simplify right side
   80,226x = 8,443,772,100
5. Step 5: Solve for x
   x = 8,443,772,100/80,226
6. Step 6: Final answer
   x = 105,249.82