Finding the Third Proportional to 9,417 and 13,558.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,417 : 13,558.50 = 13,558.50 : x
2. Step 2: Convert to fraction form
   9,417/13,558.50 = 13,558.50/x
3. Step 3: Cross multiply
   9,417x = 13,558.50 × 13,558.50
4. Step 4: Simplify right side
   9,417x = 183,832,922.25
5. Step 5: Solve for x
   x = 183,832,922.25/9,417
6. Step 6: Final answer
   x = 19,521.39