Finding the Third Proportional to 19,401.75 and 42,436.13

Step by Step Solution

1. Step 1: Write the proportion equation
   19,401.75 : 42,436.13 = 42,436.13 : x
2. Step 2: Convert to fraction form
   19,401.75/42,436.13 = 42,436.13/x
3. Step 3: Cross multiply
   19,401.75x = 42,436.13 × 42,436.13
4. Step 4: Simplify right side
   19,401.75x = 1,800,824,705.02
5. Step 5: Solve for x
   x = 1,800,824,705.02/19,401.75
6. Step 6: Final answer
   x = 92,817.64