Finding the Third Proportional to 19,867.50 and 42,104.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,867.50 : 42,104.25 = 42,104.25 : x
2. Step 2: Convert to fraction form
   19,867.50/42,104.25 = 42,104.25/x
3. Step 3: Cross multiply
   19,867.50x = 42,104.25 × 42,104.25
4. Step 4: Simplify right side
   19,867.50x = 1,772,767,868.06
5. Step 5: Solve for x
   x = 1,772,767,868.06/19,867.50
6. Step 6: Final answer
   x = 89,229.54