Finding the Third Proportional to 9,810 and 21,092

Step by Step Solution

1. Step 1: Write the proportion equation
   9,810 : 21,092 = 21,092 : x
2. Step 2: Convert to fraction form
   9,810/21,092 = 21,092/x
3. Step 3: Cross multiply
   9,810x = 21,092 × 21,092
4. Step 4: Simplify right side
   9,810x = 444,872,464
5. Step 5: Solve for x
   x = 444,872,464/9,810
6. Step 6: Final answer
   x = 45,348.88