Finding the Third Proportional to 64,982.25 and 142,194

Step by Step Solution

1. Step 1: Write the proportion equation
   64,982.25 : 142,194 = 142,194 : x
2. Step 2: Convert to fraction form
   64,982.25/142,194 = 142,194/x
3. Step 3: Cross multiply
   64,982.25x = 142,194 × 142,194
4. Step 4: Simplify right side
   64,982.25x = 20,219,133,636
5. Step 5: Solve for x
   x = 20,219,133,636/64,982.25
6. Step 6: Final answer
   x = 311,148.56