Finding the Third Proportional to 19,560.38 and 42,644.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,560.38 : 42,644.25 = 42,644.25 : x
2. Step 2: Convert to fraction form
   19,560.38/42,644.25 = 42,644.25/x
3. Step 3: Cross multiply
   19,560.38x = 42,644.25 × 42,644.25
4. Step 4: Simplify right side
   19,560.38x = 1,818,532,058.06
5. Step 5: Solve for x
   x = 1,818,532,058.06/19,560.38
6. Step 6: Final answer
   x = 92,970.20