Finding the Third Proportional to 139,871.75 and 301,855.38

Step by Step Solution

1. Step 1: Write the proportion equation
   139,871.75 : 301,855.38 = 301,855.38 : x
2. Step 2: Convert to fraction form
   139,871.75/301,855.38 = 301,855.38/x
3. Step 3: Cross multiply
   139,871.75x = 301,855.38 × 301,855.38
4. Step 4: Simplify right side
   139,871.75x = 91,116,667,416.39
5. Step 5: Solve for x
   x = 91,116,667,416.39/139,871.75
6. Step 6: Final answer
   x = 651,430.10