Finding the Third Proportional to 139,635 and 301,410

Step by Step Solution

1. Step 1: Write the proportion equation
   139,635 : 301,410 = 301,410 : x
2. Step 2: Convert to fraction form
   139,635/301,410 = 301,410/x
3. Step 3: Cross multiply
   139,635x = 301,410 × 301,410
4. Step 4: Simplify right side
   139,635x = 90,847,988,100
5. Step 5: Solve for x
   x = 90,847,988,100/139,635
6. Step 6: Final answer
   x = 650,610.44