Finding the Third Proportional to 13,820.91 and 21,245.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,820.91 : 21,245.34 = 21,245.34 : x
2. Step 2: Convert to fraction form
   13,820.91/21,245.34 = 21,245.34/x
3. Step 3: Cross multiply
   13,820.91x = 21,245.34 × 21,245.34
4. Step 4: Simplify right side
   13,820.91x = 451,364,631.06
5. Step 5: Solve for x
   x = 451,364,631.06/13,820.91
6. Step 6: Final answer
   x = 32,658.11