Finding the Third Proportional to 139,172 and 303,614

Step by Step Solution

1. Step 1: Write the proportion equation
   139,172 : 303,614 = 303,614 : x
2. Step 2: Convert to fraction form
   139,172/303,614 = 303,614/x
3. Step 3: Cross multiply
   139,172x = 303,614 × 303,614
4. Step 4: Simplify right side
   139,172x = 92,181,460,996
5. Step 5: Solve for x
   x = 92,181,460,996/139,172
6. Step 6: Final answer
   x = 662,356.37