Finding the Third Proportional to 28,502 and 42,512

Step by Step Solution

1. Step 1: Write the proportion equation
   28,502 : 42,512 = 42,512 : x
2. Step 2: Convert to fraction form
   28,502/42,512 = 42,512/x
3. Step 3: Cross multiply
   28,502x = 42,512 × 42,512
4. Step 4: Simplify right side
   28,502x = 1,807,270,144
5. Step 5: Solve for x
   x = 1,807,270,144/28,502
6. Step 6: Final answer
   x = 63,408.54