Finding the Third Proportional to 65,272 and 143,154

Step by Step Solution

1. Step 1: Write the proportion equation
   65,272 : 143,154 = 143,154 : x
2. Step 2: Convert to fraction form
   65,272/143,154 = 143,154/x
3. Step 3: Cross multiply
   65,272x = 143,154 × 143,154
4. Step 4: Simplify right side
   65,272x = 20,493,067,716
5. Step 5: Solve for x
   x = 20,493,067,716/65,272
6. Step 6: Final answer
   x = 313,964.15