Finding the Third Proportional to 142,992 and 304,984.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,992 : 304,984.50 = 304,984.50 : x
2. Step 2: Convert to fraction form
   142,992/304,984.50 = 304,984.50/x
3. Step 3: Cross multiply
   142,992x = 304,984.50 × 304,984.50
4. Step 4: Simplify right side
   142,992x = 93,015,545,240.25
5. Step 5: Solve for x
   x = 93,015,545,240.25/142,992
6. Step 6: Final answer
   x = 650,494.75