Finding the Third Proportional to 19,400.13 and 42,610.43

Step by Step Solution

1. Step 1: Write the proportion equation
   19,400.13 : 42,610.43 = 42,610.43 : x
2. Step 2: Convert to fraction form
   19,400.13/42,610.43 = 42,610.43/x
3. Step 3: Cross multiply
   19,400.13x = 42,610.43 × 42,610.43
4. Step 4: Simplify right side
   19,400.13x = 1,815,648,718.15
5. Step 5: Solve for x
   x = 1,815,648,718.15/19,400.13
6. Step 6: Final answer
   x = 93,589.50