Finding the Third Proportional to 10,875.25 and 20,886.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,875.25 : 20,886.50 = 20,886.50 : x
2. Step 2: Convert to fraction form
   10,875.25/20,886.50 = 20,886.50/x
3. Step 3: Cross multiply
   10,875.25x = 20,886.50 × 20,886.50
4. Step 4: Simplify right side
   10,875.25x = 436,245,882.25
5. Step 5: Solve for x
   x = 436,245,882.25/10,875.25
6. Step 6: Final answer
   x = 40,113.64