Finding the Third Proportional to 55,990 and 118,298

Step by Step Solution

1. Step 1: Write the proportion equation
   55,990 : 118,298 = 118,298 : x
2. Step 2: Convert to fraction form
   55,990/118,298 = 118,298/x
3. Step 3: Cross multiply
   55,990x = 118,298 × 118,298
4. Step 4: Simplify right side
   55,990x = 13,994,416,804
5. Step 5: Solve for x
   x = 13,994,416,804/55,990
6. Step 6: Final answer
   x = 249,944.93