Finding the Third Proportional to 20,913.94 and 31,417.31

Step by Step Solution

1. Step 1: Write the proportion equation
   20,913.94 : 31,417.31 = 31,417.31 : x
2. Step 2: Convert to fraction form
   20,913.94/31,417.31 = 31,417.31/x
3. Step 3: Cross multiply
   20,913.94x = 31,417.31 × 31,417.31
4. Step 4: Simplify right side
   20,913.94x = 987,047,524.72
5. Step 5: Solve for x
   x = 987,047,524.72/20,913.94
6. Step 6: Final answer
   x = 47,195.68