Finding the Third Proportional to 104,388 and 139,848

Step by Step Solution

1. Step 1: Write the proportion equation
   104,388 : 139,848 = 139,848 : x
2. Step 2: Convert to fraction form
   104,388/139,848 = 139,848/x
3. Step 3: Cross multiply
   104,388x = 139,848 × 139,848
4. Step 4: Simplify right side
   104,388x = 19,557,463,104
5. Step 5: Solve for x
   x = 19,557,463,104/104,388
6. Step 6: Final answer
   x = 187,353.56