Finding the Third Proportional to 143,079 and 308,301

Step by Step Solution

1. Step 1: Write the proportion equation
   143,079 : 308,301 = 308,301 : x
2. Step 2: Convert to fraction form
   143,079/308,301 = 308,301/x
3. Step 3: Cross multiply
   143,079x = 308,301 × 308,301
4. Step 4: Simplify right side
   143,079x = 95,049,506,601
5. Step 5: Solve for x
   x = 95,049,506,601/143,079
6. Step 6: Final answer
   x = 664,314.87