Finding the Third Proportional to 19,605.80 and 42,955.31

Step by Step Solution

1. Step 1: Write the proportion equation
   19,605.80 : 42,955.31 = 42,955.31 : x
2. Step 2: Convert to fraction form
   19,605.80/42,955.31 = 42,955.31/x
3. Step 3: Cross multiply
   19,605.80x = 42,955.31 × 42,955.31
4. Step 4: Simplify right side
   19,605.80x = 1,845,158,871.97
5. Step 5: Solve for x
   x = 1,845,158,871.97/19,605.80
6. Step 6: Final answer
   x = 94,112.92