Finding the Third Proportional to 139,084 and 300,341

Step by Step Solution

1. Step 1: Write the proportion equation
   139,084 : 300,341 = 300,341 : x
2. Step 2: Convert to fraction form
   139,084/300,341 = 300,341/x
3. Step 3: Cross multiply
   139,084x = 300,341 × 300,341
4. Step 4: Simplify right side
   139,084x = 90,204,716,281
5. Step 5: Solve for x
   x = 90,204,716,281/139,084
6. Step 6: Final answer
   x = 648,562.86