Finding the Third Proportional to 9,775.50 and 21,071.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,775.50 : 21,071.25 = 21,071.25 : x
2. Step 2: Convert to fraction form
   9,775.50/21,071.25 = 21,071.25/x
3. Step 3: Cross multiply
   9,775.50x = 21,071.25 × 21,071.25
4. Step 4: Simplify right side
   9,775.50x = 443,997,576.56
5. Step 5: Solve for x
   x = 443,997,576.56/9,775.50
6. Step 6: Final answer
   x = 45,419.42