Finding the Third Proportional to 145,860 and 301,830

Step by Step Solution

1. Step 1: Write the proportion equation
   145,860 : 301,830 = 301,830 : x
2. Step 2: Convert to fraction form
   145,860/301,830 = 301,830/x
3. Step 3: Cross multiply
   145,860x = 301,830 × 301,830
4. Step 4: Simplify right side
   145,860x = 91,101,348,900
5. Step 5: Solve for x
   x = 91,101,348,900/145,860
6. Step 6: Final answer
   x = 624,580.75