Finding the Third Proportional to 139,150 and 303,140

Step by Step Solution

1. Step 1: Write the proportion equation
   139,150 : 303,140 = 303,140 : x
2. Step 2: Convert to fraction form
   139,150/303,140 = 303,140/x
3. Step 3: Cross multiply
   139,150x = 303,140 × 303,140
4. Step 4: Simplify right side
   139,150x = 91,893,859,600
5. Step 5: Solve for x
   x = 91,893,859,600/139,150
6. Step 6: Final answer
   x = 660,394.25