Finding the Third Proportional to 5,056.88 and 10,690.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,056.88 : 10,690.31 = 10,690.31 : x
2. Step 2: Convert to fraction form
   5,056.88/10,690.31 = 10,690.31/x
3. Step 3: Cross multiply
   5,056.88x = 10,690.31 × 10,690.31
4. Step 4: Simplify right side
   5,056.88x = 114,282,781.35
5. Step 5: Solve for x
   x = 114,282,781.35/5,056.88
6. Step 6: Final answer
   x = 22,599.49