Finding the Third Proportional to 10,487.25 and 20,966.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,487.25 : 20,966.63 = 20,966.63 : x
2. Step 2: Convert to fraction form
   10,487.25/20,966.63 = 20,966.63/x
3. Step 3: Cross multiply
   10,487.25x = 20,966.63 × 20,966.63
4. Step 4: Simplify right side
   10,487.25x = 439,599,363.89
5. Step 5: Solve for x
   x = 439,599,363.89/10,487.25
6. Step 6: Final answer
   x = 41,917.51