Finding the Third Proportional to 21,152.25 and 45,220.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,152.25 : 45,220.50 = 45,220.50 : x
2. Step 2: Convert to fraction form
   21,152.25/45,220.50 = 45,220.50/x
3. Step 3: Cross multiply
   21,152.25x = 45,220.50 × 45,220.50
4. Step 4: Simplify right side
   21,152.25x = 2,044,893,620.25
5. Step 5: Solve for x
   x = 2,044,893,620.25/21,152.25
6. Step 6: Final answer
   x = 96,674.99