Finding the Third Proportional to 159,931 and 342,007

Step by Step Solution

1. Step 1: Write the proportion equation
   159,931 : 342,007 = 342,007 : x
2. Step 2: Convert to fraction form
   159,931/342,007 = 342,007/x
3. Step 3: Cross multiply
   159,931x = 342,007 × 342,007
4. Step 4: Simplify right side
   159,931x = 116,968,788,049
5. Step 5: Solve for x
   x = 116,968,788,049/159,931
6. Step 6: Final answer
   x = 731,370.33