Finding the Third Proportional to 139,733.50 and 303,097.50

Step by Step Solution

1. Step 1: Write the proportion equation
   139,733.50 : 303,097.50 = 303,097.50 : x
2. Step 2: Convert to fraction form
   139,733.50/303,097.50 = 303,097.50/x
3. Step 3: Cross multiply
   139,733.50x = 303,097.50 × 303,097.50
4. Step 4: Simplify right side
   139,733.50x = 91,868,094,506.25
5. Step 5: Solve for x
   x = 91,868,094,506.25/139,733.50
6. Step 6: Final answer
   x = 657,452.18