Finding the Third Proportional to 19,642.50 and 40,947.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,642.50 : 40,947.75 = 40,947.75 : x
2. Step 2: Convert to fraction form
   19,642.50/40,947.75 = 40,947.75/x
3. Step 3: Cross multiply
   19,642.50x = 40,947.75 × 40,947.75
4. Step 4: Simplify right side
   19,642.50x = 1,676,718,230.06
5. Step 5: Solve for x
   x = 1,676,718,230.06/19,642.50
6. Step 6: Final answer
   x = 85,361.75