Finding the Third Proportional to 19,760.34 and 28,900.97

Step by Step Solution

1. Step 1: Write the proportion equation
   19,760.34 : 28,900.97 = 28,900.97 : x
2. Step 2: Convert to fraction form
   19,760.34/28,900.97 = 28,900.97/x
3. Step 3: Cross multiply
   19,760.34x = 28,900.97 × 28,900.97
4. Step 4: Simplify right side
   19,760.34x = 835,265,994.69
5. Step 5: Solve for x
   x = 835,265,994.69/19,760.34
6. Step 6: Final answer
   x = 42,269.81