Finding the Third Proportional to 19,468.69 and 42,354.56

Step by Step Solution

1. Step 1: Write the proportion equation
   19,468.69 : 42,354.56 = 42,354.56 : x
2. Step 2: Convert to fraction form
   19,468.69/42,354.56 = 42,354.56/x
3. Step 3: Cross multiply
   19,468.69x = 42,354.56 × 42,354.56
4. Step 4: Simplify right side
   19,468.69x = 1,793,908,964.57
5. Step 5: Solve for x
   x = 1,793,908,964.57/19,468.69
6. Step 6: Final answer
   x = 92,143.29