Finding the Third Proportional to 9,853.88 and 21,092.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,853.88 : 21,092.63 = 21,092.63 : x
2. Step 2: Convert to fraction form
   9,853.88/21,092.63 = 21,092.63/x
3. Step 3: Cross multiply
   9,853.88x = 21,092.63 × 21,092.63
4. Step 4: Simplify right side
   9,853.88x = 444,898,829.39
5. Step 5: Solve for x
   x = 444,898,829.39/9,853.88
6. Step 6: Final answer
   x = 45,149.63