Finding the Third Proportional to 142,928.25 and 301,713

Step by Step Solution

1. Step 1: Write the proportion equation
   142,928.25 : 301,713 = 301,713 : x
2. Step 2: Convert to fraction form
   142,928.25/301,713 = 301,713/x
3. Step 3: Cross multiply
   142,928.25x = 301,713 × 301,713
4. Step 4: Simplify right side
   142,928.25x = 91,030,734,369
5. Step 5: Solve for x
   x = 91,030,734,369/142,928.25
6. Step 6: Final answer
   x = 636,898.12