Finding the Third Proportional to 21,057.25 and 45,394.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,057.25 : 45,394.75 = 45,394.75 : x
2. Step 2: Convert to fraction form
   21,057.25/45,394.75 = 45,394.75/x
3. Step 3: Cross multiply
   21,057.25x = 45,394.75 × 45,394.75
4. Step 4: Simplify right side
   21,057.25x = 2,060,683,327.56
5. Step 5: Solve for x
   x = 2,060,683,327.56/21,057.25
6. Step 6: Final answer
   x = 97,860.99