Finding the Third Proportional to 139,633 and 301,403

Step by Step Solution

1. Step 1: Write the proportion equation
   139,633 : 301,403 = 301,403 : x
2. Step 2: Convert to fraction form
   139,633/301,403 = 301,403/x
3. Step 3: Cross multiply
   139,633x = 301,403 × 301,403
4. Step 4: Simplify right side
   139,633x = 90,843,768,409
5. Step 5: Solve for x
   x = 90,843,768,409/139,633
6. Step 6: Final answer
   x = 650,589.53