Finding the Third Proportional to 13,820.06 and 20,844.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,820.06 : 20,844.56 = 20,844.56 : x
2. Step 2: Convert to fraction form
   13,820.06/20,844.56 = 20,844.56/x
3. Step 3: Cross multiply
   13,820.06x = 20,844.56 × 20,844.56
4. Step 4: Simplify right side
   13,820.06x = 434,495,785.82
5. Step 5: Solve for x
   x = 434,495,785.82/13,820.06
6. Step 6: Final answer
   x = 31,439.49