Finding the Third Proportional to 104,346 and 139,788

Step by Step Solution

1. Step 1: Write the proportion equation
   104,346 : 139,788 = 139,788 : x
2. Step 2: Convert to fraction form
   104,346/139,788 = 139,788/x
3. Step 3: Cross multiply
   104,346x = 139,788 × 139,788
4. Step 4: Simplify right side
   104,346x = 19,540,684,944
5. Step 5: Solve for x
   x = 19,540,684,944/104,346
6. Step 6: Final answer
   x = 187,268.17