Finding the Third Proportional to 141,612 and 308,988

Step by Step Solution

1. Step 1: Write the proportion equation
   141,612 : 308,988 = 308,988 : x
2. Step 2: Convert to fraction form
   141,612/308,988 = 308,988/x
3. Step 3: Cross multiply
   141,612x = 308,988 × 308,988
4. Step 4: Simplify right side
   141,612x = 95,473,584,144
5. Step 5: Solve for x
   x = 95,473,584,144/141,612
6. Step 6: Final answer
   x = 674,191.34