Finding the Third Proportional to 140,066 and 307,344

Step by Step Solution

1. Step 1: Write the proportion equation
   140,066 : 307,344 = 307,344 : x
2. Step 2: Convert to fraction form
   140,066/307,344 = 307,344/x
3. Step 3: Cross multiply
   140,066x = 307,344 × 307,344
4. Step 4: Simplify right side
   140,066x = 94,460,334,336
5. Step 5: Solve for x
   x = 94,460,334,336/140,066
6. Step 6: Final answer
   x = 674,398.74