Finding the Third Proportional to 139,804 and 301,856

Step by Step Solution

1. Step 1: Write the proportion equation
   139,804 : 301,856 = 301,856 : x
2. Step 2: Convert to fraction form
   139,804/301,856 = 301,856/x
3. Step 3: Cross multiply
   139,804x = 301,856 × 301,856
4. Step 4: Simplify right side
   139,804x = 91,117,044,736
5. Step 5: Solve for x
   x = 91,117,044,736/139,804
6. Step 6: Final answer
   x = 651,748.48