Finding the Third Proportional to 19,760.63 and 42,305.63

Step by Step Solution

1. Step 1: Write the proportion equation
   19,760.63 : 42,305.63 = 42,305.63 : x
2. Step 2: Convert to fraction form
   19,760.63/42,305.63 = 42,305.63/x
3. Step 3: Cross multiply
   19,760.63x = 42,305.63 × 42,305.63
4. Step 4: Simplify right side
   19,760.63x = 1,789,765,906.64
5. Step 5: Solve for x
   x = 1,789,765,906.64/19,760.63
6. Step 6: Final answer
   x = 90,572.33