Finding the Third Proportional to 137,904 and 307,008

Step by Step Solution

1. Step 1: Write the proportion equation
   137,904 : 307,008 = 307,008 : x
2. Step 2: Convert to fraction form
   137,904/307,008 = 307,008/x
3. Step 3: Cross multiply
   137,904x = 307,008 × 307,008
4. Step 4: Simplify right side
   137,904x = 94,253,912,064
5. Step 5: Solve for x
   x = 94,253,912,064/137,904
6. Step 6: Final answer
   x = 683,474.82