Finding the Third Proportional to 139,807 and 303,914

Step by Step Solution

1. Step 1: Write the proportion equation
   139,807 : 303,914 = 303,914 : x
2. Step 2: Convert to fraction form
   139,807/303,914 = 303,914/x
3. Step 3: Cross multiply
   139,807x = 303,914 × 303,914
4. Step 4: Simplify right side
   139,807x = 92,363,719,396
5. Step 5: Solve for x
   x = 92,363,719,396/139,807
6. Step 6: Final answer
   x = 660,651.61