Finding the Third Proportional to 139,030 and 223,851

Step by Step Solution

1. Step 1: Write the proportion equation
   139,030 : 223,851 = 223,851 : x
2. Step 2: Convert to fraction form
   139,030/223,851 = 223,851/x
3. Step 3: Cross multiply
   139,030x = 223,851 × 223,851
4. Step 4: Simplify right side
   139,030x = 50,109,270,201
5. Step 5: Solve for x
   x = 50,109,270,201/139,030
6. Step 6: Final answer
   x = 360,420.56