Finding the Third Proportional to 9,666.84 and 21,209.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,666.84 : 21,209.34 = 21,209.34 : x
2. Step 2: Convert to fraction form
   9,666.84/21,209.34 = 21,209.34/x
3. Step 3: Cross multiply
   9,666.84x = 21,209.34 × 21,209.34
4. Step 4: Simplify right side
   9,666.84x = 449,836,262.31
5. Step 5: Solve for x
   x = 449,836,262.31/9,666.84
6. Step 6: Final answer
   x = 46,533.93