Finding the Third Proportional to 65,988 and 142,392

Step by Step Solution

1. Step 1: Write the proportion equation
   65,988 : 142,392 = 142,392 : x
2. Step 2: Convert to fraction form
   65,988/142,392 = 142,392/x
3. Step 3: Cross multiply
   65,988x = 142,392 × 142,392
4. Step 4: Simplify right side
   65,988x = 20,275,481,664
5. Step 5: Solve for x
   x = 20,275,481,664/65,988
6. Step 6: Final answer
   x = 307,260.13