Finding the Third Proportional to 19,909.13 and 31,073.63

Step by Step Solution

1. Step 1: Write the proportion equation
   19,909.13 : 31,073.63 = 31,073.63 : x
2. Step 2: Convert to fraction form
   19,909.13/31,073.63 = 31,073.63/x
3. Step 3: Cross multiply
   19,909.13x = 31,073.63 × 31,073.63
4. Step 4: Simplify right side
   19,909.13x = 965,570,170.64
5. Step 5: Solve for x
   x = 965,570,170.64/19,909.13
6. Step 6: Final answer
   x = 48,498.88