Finding the Third Proportional to 140,652 and 308,007

Step by Step Solution

1. Step 1: Write the proportion equation
   140,652 : 308,007 = 308,007 : x
2. Step 2: Convert to fraction form
   140,652/308,007 = 308,007/x
3. Step 3: Cross multiply
   140,652x = 308,007 × 308,007
4. Step 4: Simplify right side
   140,652x = 94,868,312,049
5. Step 5: Solve for x
   x = 94,868,312,049/140,652
6. Step 6: Final answer
   x = 674,489.61