Finding the Third Proportional to 142,464 and 307,764

Step by Step Solution

1. Step 1: Write the proportion equation
   142,464 : 307,764 = 307,764 : x
2. Step 2: Convert to fraction form
   142,464/307,764 = 307,764/x
3. Step 3: Cross multiply
   142,464x = 307,764 × 307,764
4. Step 4: Simplify right side
   142,464x = 94,718,679,696
5. Step 5: Solve for x
   x = 94,718,679,696/142,464
6. Step 6: Final answer
   x = 664,860.45