Finding the Third Proportional to 30,892.88 and 67,449

Step by Step Solution

1. Step 1: Write the proportion equation
   30,892.88 : 67,449 = 67,449 : x
2. Step 2: Convert to fraction form
   30,892.88/67,449 = 67,449/x
3. Step 3: Cross multiply
   30,892.88x = 67,449 × 67,449
4. Step 4: Simplify right side
   30,892.88x = 4,549,367,601
5. Step 5: Solve for x
   x = 4,549,367,601/30,892.88
6. Step 6: Final answer
   x = 147,262.68