Finding the Third Proportional to 21,010.75 and 45,521.58

Step by Step Solution

1. Step 1: Write the proportion equation
   21,010.75 : 45,521.58 = 45,521.58 : x
2. Step 2: Convert to fraction form
   21,010.75/45,521.58 = 45,521.58/x
3. Step 3: Cross multiply
   21,010.75x = 45,521.58 × 45,521.58
4. Step 4: Simplify right side
   21,010.75x = 2,072,214,074.99
5. Step 5: Solve for x
   x = 2,072,214,074.99/21,010.75
6. Step 6: Final answer
   x = 98,626.39