Finding the Third Proportional to 64,962.75 and 142,338

Step by Step Solution

1. Step 1: Write the proportion equation
   64,962.75 : 142,338 = 142,338 : x
2. Step 2: Convert to fraction form
   64,962.75/142,338 = 142,338/x
3. Step 3: Cross multiply
   64,962.75x = 142,338 × 142,338
4. Step 4: Simplify right side
   64,962.75x = 20,260,106,244
5. Step 5: Solve for x
   x = 20,260,106,244/64,962.75
6. Step 6: Final answer
   x = 311,872.67