Finding the Third Proportional to 30,392 and 65,328

Step by Step Solution

1. Step 1: Write the proportion equation
   30,392 : 65,328 = 65,328 : x
2. Step 2: Convert to fraction form
   30,392/65,328 = 65,328/x
3. Step 3: Cross multiply
   30,392x = 65,328 × 65,328
4. Step 4: Simplify right side
   30,392x = 4,267,747,584
5. Step 5: Solve for x
   x = 4,267,747,584/30,392
6. Step 6: Final answer
   x = 140,423.39