Finding the Third Proportional to 10,685.25 and 22,054.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,685.25 : 22,054.50 = 22,054.50 : x
2. Step 2: Convert to fraction form
   10,685.25/22,054.50 = 22,054.50/x
3. Step 3: Cross multiply
   10,685.25x = 22,054.50 × 22,054.50
4. Step 4: Simplify right side
   10,685.25x = 486,400,970.25
5. Step 5: Solve for x
   x = 486,400,970.25/10,685.25
6. Step 6: Final answer
   x = 45,520.79