Finding the Third Proportional to 13,385.25 and 20,057.63

Step by Step Solution

1. Step 1: Write the proportion equation
   13,385.25 : 20,057.63 = 20,057.63 : x
2. Step 2: Convert to fraction form
   13,385.25/20,057.63 = 20,057.63/x
3. Step 3: Cross multiply
   13,385.25x = 20,057.63 × 20,057.63
4. Step 4: Simplify right side
   13,385.25x = 402,308,320.64
5. Step 5: Solve for x
   x = 402,308,320.64/13,385.25
6. Step 6: Final answer
   x = 30,056.09