Finding the Third Proportional to 20,945.31 and 45,576.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,945.31 : 45,576.25 = 45,576.25 : x
2. Step 2: Convert to fraction form
   20,945.31/45,576.25 = 45,576.25/x
3. Step 3: Cross multiply
   20,945.31x = 45,576.25 × 45,576.25
4. Step 4: Simplify right side
   20,945.31x = 2,077,194,564.06
5. Step 5: Solve for x
   x = 2,077,194,564.06/20,945.31
6. Step 6: Final answer
   x = 99,172.29