Finding the Third Proportional to 140,010 and 307,242

Step by Step Solution

1. Step 1: Write the proportion equation
   140,010 : 307,242 = 307,242 : x
2. Step 2: Convert to fraction form
   140,010/307,242 = 307,242/x
3. Step 3: Cross multiply
   140,010x = 307,242 × 307,242
4. Step 4: Simplify right side
   140,010x = 94,397,646,564
5. Step 5: Solve for x
   x = 94,397,646,564/140,010
6. Step 6: Final answer
   x = 674,220.75