Finding the Third Proportional to 20,848.64 and 31,453.31

Step by Step Solution

1. Step 1: Write the proportion equation
   20,848.64 : 31,453.31 = 31,453.31 : x
2. Step 2: Convert to fraction form
   20,848.64/31,453.31 = 31,453.31/x
3. Step 3: Cross multiply
   20,848.64x = 31,453.31 × 31,453.31
4. Step 4: Simplify right side
   20,848.64x = 989,310,867.22
5. Step 5: Solve for x
   x = 989,310,867.22/20,848.64
6. Step 6: Final answer
   x = 47,452.06