Finding the Third Proportional to 19,302.75 and 42,159.38

Step by Step Solution

1. Step 1: Write the proportion equation
   19,302.75 : 42,159.38 = 42,159.38 : x
2. Step 2: Convert to fraction form
   19,302.75/42,159.38 = 42,159.38/x
3. Step 3: Cross multiply
   19,302.75x = 42,159.38 × 42,159.38
4. Step 4: Simplify right side
   19,302.75x = 1,777,412,900.39
5. Step 5: Solve for x
   x = 1,777,412,900.39/19,302.75
6. Step 6: Final answer
   x = 92,080.81