Finding the Third Proportional to 142,077 and 308,292

Step by Step Solution

1. Step 1: Write the proportion equation
   142,077 : 308,292 = 308,292 : x
2. Step 2: Convert to fraction form
   142,077/308,292 = 308,292/x
3. Step 3: Cross multiply
   142,077x = 308,292 × 308,292
4. Step 4: Simplify right side
   142,077x = 95,043,957,264
5. Step 5: Solve for x
   x = 95,043,957,264/142,077
6. Step 6: Final answer
   x = 668,960.90