Finding the Third Proportional to 11,017.69 and 12,637.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,017.69 : 12,637.69 = 12,637.69 : x
2. Step 2: Convert to fraction form
   11,017.69/12,637.69 = 12,637.69/x
3. Step 3: Cross multiply
   11,017.69x = 12,637.69 × 12,637.69
4. Step 4: Simplify right side
   11,017.69x = 159,711,145.35
5. Step 5: Solve for x
   x = 159,711,145.35/11,017.69
6. Step 6: Final answer
   x = 14,495.89