Finding the Third Proportional to 139,945.50 and 301,995

Step by Step Solution

1. Step 1: Write the proportion equation
   139,945.50 : 301,995 = 301,995 : x
2. Step 2: Convert to fraction form
   139,945.50/301,995 = 301,995/x
3. Step 3: Cross multiply
   139,945.50x = 301,995 × 301,995
4. Step 4: Simplify right side
   139,945.50x = 91,200,980,025
5. Step 5: Solve for x
   x = 91,200,980,025/139,945.50
6. Step 6: Final answer
   x = 651,689.26