Finding the Third Proportional to 9,928.83 and 21,666.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,928.83 : 21,666.23 = 21,666.23 : x
2. Step 2: Convert to fraction form
   9,928.83/21,666.23 = 21,666.23/x
3. Step 3: Cross multiply
   9,928.83x = 21,666.23 × 21,666.23
4. Step 4: Simplify right side
   9,928.83x = 469,425,711.99
5. Step 5: Solve for x
   x = 469,425,711.99/9,928.83
6. Step 6: Final answer
   x = 47,279.07