Finding the Third Proportional to 139,068 and 303,772

Step by Step Solution

1. Step 1: Write the proportion equation
   139,068 : 303,772 = 303,772 : x
2. Step 2: Convert to fraction form
   139,068/303,772 = 303,772/x
3. Step 3: Cross multiply
   139,068x = 303,772 × 303,772
4. Step 4: Simplify right side
   139,068x = 92,277,427,984
5. Step 5: Solve for x
   x = 92,277,427,984/139,068
6. Step 6: Final answer
   x = 663,541.78