Finding the Third Proportional to 139,037 and 303,570

Step by Step Solution

1. Step 1: Write the proportion equation
   139,037 : 303,570 = 303,570 : x
2. Step 2: Convert to fraction form
   139,037/303,570 = 303,570/x
3. Step 3: Cross multiply
   139,037x = 303,570 × 303,570
4. Step 4: Simplify right side
   139,037x = 92,154,744,900
5. Step 5: Solve for x
   x = 92,154,744,900/139,037
6. Step 6: Final answer
   x = 662,807.35