Finding the Third Proportional to 141,078 and 307,388

Step by Step Solution

1. Step 1: Write the proportion equation
   141,078 : 307,388 = 307,388 : x
2. Step 2: Convert to fraction form
   141,078/307,388 = 307,388/x
3. Step 3: Cross multiply
   141,078x = 307,388 × 307,388
4. Step 4: Simplify right side
   141,078x = 94,487,382,544
5. Step 5: Solve for x
   x = 94,487,382,544/141,078
6. Step 6: Final answer
   x = 669,752.78