Finding the Third Proportional to 20,810.25 and 45,513.56

Step by Step Solution

1. Step 1: Write the proportion equation
   20,810.25 : 45,513.56 = 45,513.56 : x
2. Step 2: Convert to fraction form
   20,810.25/45,513.56 = 45,513.56/x
3. Step 3: Cross multiply
   20,810.25x = 45,513.56 × 45,513.56
4. Step 4: Simplify right side
   20,810.25x = 2,071,484,371.44
5. Step 5: Solve for x
   x = 2,071,484,371.44/20,810.25
6. Step 6: Final answer
   x = 99,541.54