Finding the Third Proportional to 42,028.50 and 65,073

Step by Step Solution

1. Step 1: Write the proportion equation
   42,028.50 : 65,073 = 65,073 : x
2. Step 2: Convert to fraction form
   42,028.50/65,073 = 65,073/x
3. Step 3: Cross multiply
   42,028.50x = 65,073 × 65,073
4. Step 4: Simplify right side
   42,028.50x = 4,234,495,329
5. Step 5: Solve for x
   x = 4,234,495,329/42,028.50
6. Step 6: Final answer
   x = 100,752.95