Finding the Third Proportional to 19,489.50 and 42,951

Step by Step Solution

1. Step 1: Write the proportion equation
   19,489.50 : 42,951 = 42,951 : x
2. Step 2: Convert to fraction form
   19,489.50/42,951 = 42,951/x
3. Step 3: Cross multiply
   19,489.50x = 42,951 × 42,951
4. Step 4: Simplify right side
   19,489.50x = 1,844,788,401
5. Step 5: Solve for x
   x = 1,844,788,401/19,489.50
6. Step 6: Final answer
   x = 94,655.50