Finding the Third Proportional to 139,022 and 230,100

Step by Step Solution

1. Step 1: Write the proportion equation
   139,022 : 230,100 = 230,100 : x
2. Step 2: Convert to fraction form
   139,022/230,100 = 230,100/x
3. Step 3: Cross multiply
   139,022x = 230,100 × 230,100
4. Step 4: Simplify right side
   139,022x = 52,946,010,000
5. Step 5: Solve for x
   x = 52,946,010,000/139,022
6. Step 6: Final answer
   x = 380,846.27