Finding the Third Proportional to 20,998 and 31,226

Step by Step Solution

1. Step 1: Write the proportion equation
   20,998 : 31,226 = 31,226 : x
2. Step 2: Convert to fraction form
   20,998/31,226 = 31,226/x
3. Step 3: Cross multiply
   20,998x = 31,226 × 31,226
4. Step 4: Simplify right side
   20,998x = 975,063,076
5. Step 5: Solve for x
   x = 975,063,076/20,998
6. Step 6: Final answer
   x = 46,436.00