Finding the Third Proportional to 151,040 and 308,656

Step by Step Solution

1. Step 1: Write the proportion equation
   151,040 : 308,656 = 308,656 : x
2. Step 2: Convert to fraction form
   151,040/308,656 = 308,656/x
3. Step 3: Cross multiply
   151,040x = 308,656 × 308,656
4. Step 4: Simplify right side
   151,040x = 95,268,526,336
5. Step 5: Solve for x
   x = 95,268,526,336/151,040
6. Step 6: Final answer
   x = 630,750.31