Finding the Third Proportional to 30,252 and 42,315

Step by Step Solution

1. Step 1: Write the proportion equation
   30,252 : 42,315 = 42,315 : x
2. Step 2: Convert to fraction form
   30,252/42,315 = 42,315/x
3. Step 3: Cross multiply
   30,252x = 42,315 × 42,315
4. Step 4: Simplify right side
   30,252x = 1,790,559,225
5. Step 5: Solve for x
   x = 1,790,559,225/30,252
6. Step 6: Final answer
   x = 59,188.13