Finding the Third Proportional to 13,865.63 and 21,511.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,865.63 : 21,511.13 = 21,511.13 : x
2. Step 2: Convert to fraction form
   13,865.63/21,511.13 = 21,511.13/x
3. Step 3: Cross multiply
   13,865.63x = 21,511.13 × 21,511.13
4. Step 4: Simplify right side
   13,865.63x = 462,728,498.77
5. Step 5: Solve for x
   x = 462,728,498.77/13,865.63
6. Step 6: Final answer
   x = 33,372.35