Finding the Third Proportional to 139,734.50 and 303,099

Step by Step Solution

1. Step 1: Write the proportion equation
   139,734.50 : 303,099 = 303,099 : x
2. Step 2: Convert to fraction form
   139,734.50/303,099 = 303,099/x
3. Step 3: Cross multiply
   139,734.50x = 303,099 × 303,099
4. Step 4: Simplify right side
   139,734.50x = 91,869,003,801
5. Step 5: Solve for x
   x = 91,869,003,801/139,734.50
6. Step 6: Final answer
   x = 657,453.98