Finding the Third Proportional to 9,419.63 and 13,867.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,419.63 : 13,867.88 = 13,867.88 : x
2. Step 2: Convert to fraction form
   9,419.63/13,867.88 = 13,867.88/x
3. Step 3: Cross multiply
   9,419.63x = 13,867.88 × 13,867.88
4. Step 4: Simplify right side
   9,419.63x = 192,317,957.02
5. Step 5: Solve for x
   x = 192,317,957.02/9,419.63
6. Step 6: Final answer
   x = 20,416.73