Finding the Third Proportional to 13,802.91 and 21,891.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,802.91 : 21,891.09 = 21,891.09 : x
2. Step 2: Convert to fraction form
   13,802.91/21,891.09 = 21,891.09/x
3. Step 3: Cross multiply
   13,802.91x = 21,891.09 × 21,891.09
4. Step 4: Simplify right side
   13,802.91x = 479,219,985.57
5. Step 5: Solve for x
   x = 479,219,985.57/13,802.91
6. Step 6: Final answer
   x = 34,718.77