Finding the Third Proportional to 13,378.29 and 20,833.45

Step by Step Solution

1. Step 1: Write the proportion equation
   13,378.29 : 20,833.45 = 20,833.45 : x
2. Step 2: Convert to fraction form
   13,378.29/20,833.45 = 20,833.45/x
3. Step 3: Cross multiply
   13,378.29x = 20,833.45 × 20,833.45
4. Step 4: Simplify right side
   13,378.29x = 434,032,769.11
5. Step 5: Solve for x
   x = 434,032,769.11/13,378.29
6. Step 6: Final answer
   x = 32,443.07