Finding the Third Proportional to 139,760 and 301,651

Step by Step Solution

1. Step 1: Write the proportion equation
   139,760 : 301,651 = 301,651 : x
2. Step 2: Convert to fraction form
   139,760/301,651 = 301,651/x
3. Step 3: Cross multiply
   139,760x = 301,651 × 301,651
4. Step 4: Simplify right side
   139,760x = 90,993,325,801
5. Step 5: Solve for x
   x = 90,993,325,801/139,760
6. Step 6: Final answer
   x = 651,068.44