Finding the Third Proportional to 139,808 and 303,916

Step by Step Solution

1. Step 1: Write the proportion equation
   139,808 : 303,916 = 303,916 : x
2. Step 2: Convert to fraction form
   139,808/303,916 = 303,916/x
3. Step 3: Cross multiply
   139,808x = 303,916 × 303,916
4. Step 4: Simplify right side
   139,808x = 92,364,935,056
5. Step 5: Solve for x
   x = 92,364,935,056/139,808
6. Step 6: Final answer
   x = 660,655.58