Finding the Third Proportional to 142,270.50 and 297,693

Step by Step Solution

1. Step 1: Write the proportion equation
   142,270.50 : 297,693 = 297,693 : x
2. Step 2: Convert to fraction form
   142,270.50/297,693 = 297,693/x
3. Step 3: Cross multiply
   142,270.50x = 297,693 × 297,693
4. Step 4: Simplify right side
   142,270.50x = 88,621,122,249
5. Step 5: Solve for x
   x = 88,621,122,249/142,270.50
6. Step 6: Final answer
   x = 622,905.82