Finding the Third Proportional to 9,748.69 and 21,117.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,748.69 : 21,117.38 = 21,117.38 : x
2. Step 2: Convert to fraction form
   9,748.69/21,117.38 = 21,117.38/x
3. Step 3: Cross multiply
   9,748.69x = 21,117.38 × 21,117.38
4. Step 4: Simplify right side
   9,748.69x = 445,943,526.89
5. Step 5: Solve for x
   x = 445,943,526.89/9,748.69
6. Step 6: Final answer
   x = 45,743.96