Finding the Third Proportional to 117,280.50 and 188,838

Step by Step Solution

1. Step 1: Write the proportion equation
   117,280.50 : 188,838 = 188,838 : x
2. Step 2: Convert to fraction form
   117,280.50/188,838 = 188,838/x
3. Step 3: Cross multiply
   117,280.50x = 188,838 × 188,838
4. Step 4: Simplify right side
   117,280.50x = 35,659,790,244
5. Step 5: Solve for x
   x = 35,659,790,244/117,280.50
6. Step 6: Final answer
   x = 304,055.58