Finding the Third Proportional to 19,421.25 and 42,302.38

Step by Step Solution

1. Step 1: Write the proportion equation
   19,421.25 : 42,302.38 = 42,302.38 : x
2. Step 2: Convert to fraction form
   19,421.25/42,302.38 = 42,302.38/x
3. Step 3: Cross multiply
   19,421.25x = 42,302.38 × 42,302.38
4. Step 4: Simplify right side
   19,421.25x = 1,789,490,930.64
5. Step 5: Solve for x
   x = 1,789,490,930.64/19,421.25
6. Step 6: Final answer
   x = 92,140.87