Finding the Third Proportional to 9,747.84 and 21,054.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,747.84 : 21,054.94 = 21,054.94 : x
2. Step 2: Convert to fraction form
   9,747.84/21,054.94 = 21,054.94/x
3. Step 3: Cross multiply
   9,747.84x = 21,054.94 × 21,054.94
4. Step 4: Simplify right side
   9,747.84x = 443,310,393.13
5. Step 5: Solve for x
   x = 443,310,393.13/9,747.84
6. Step 6: Final answer
   x = 45,477.79