Finding the Third Proportional to 4,505.63 and 9,775.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,505.63 : 9,775.69 = 9,775.69 : x
2. Step 2: Convert to fraction form
   4,505.63/9,775.69 = 9,775.69/x
3. Step 3: Cross multiply
   4,505.63x = 9,775.69 × 9,775.69
4. Step 4: Simplify right side
   4,505.63x = 95,564,066.10
5. Step 5: Solve for x
   x = 95,564,066.10/4,505.63
6. Step 6: Final answer
   x = 21,209.95