Finding the Third Proportional to 64,182.31 and 143,122

Step by Step Solution

1. Step 1: Write the proportion equation
   64,182.31 : 143,122 = 143,122 : x
2. Step 2: Convert to fraction form
   64,182.31/143,122 = 143,122/x
3. Step 3: Cross multiply
   64,182.31x = 143,122 × 143,122
4. Step 4: Simplify right side
   64,182.31x = 20,483,906,884
5. Step 5: Solve for x
   x = 20,483,906,884/64,182.31
6. Step 6: Final answer
   x = 319,151.90