Finding the Third Proportional to 20,756.25 and 31,159.69

Step by Step Solution

1. Step 1: Write the proportion equation
   20,756.25 : 31,159.69 = 31,159.69 : x
2. Step 2: Convert to fraction form
   20,756.25/31,159.69 = 31,159.69/x
3. Step 3: Cross multiply
   20,756.25x = 31,159.69 × 31,159.69
4. Step 4: Simplify right side
   20,756.25x = 970,926,125.10
5. Step 5: Solve for x
   x = 970,926,125.10/20,756.25
6. Step 6: Final answer
   x = 46,777.53