Finding the Third Proportional to 140,379 and 307,002

Step by Step Solution

1. Step 1: Write the proportion equation
   140,379 : 307,002 = 307,002 : x
2. Step 2: Convert to fraction form
   140,379/307,002 = 307,002/x
3. Step 3: Cross multiply
   140,379x = 307,002 × 307,002
4. Step 4: Simplify right side
   140,379x = 94,250,228,004
5. Step 5: Solve for x
   x = 94,250,228,004/140,379
6. Step 6: Final answer
   x = 671,398.34