Finding the Third Proportional to 142,914.38 and 304,828.31

Step by Step Solution

1. Step 1: Write the proportion equation
   142,914.38 : 304,828.31 = 304,828.31 : x
2. Step 2: Convert to fraction form
   142,914.38/304,828.31 = 304,828.31/x
3. Step 3: Cross multiply
   142,914.38x = 304,828.31 × 304,828.31
4. Step 4: Simplify right side
   142,914.38x = 92,920,300,101.60
5. Step 5: Solve for x
   x = 92,920,300,101.60/142,914.38
6. Step 6: Final answer
   x = 650,181.62