Finding the Third Proportional to 188,969 and 288,947

Step by Step Solution

1. Step 1: Write the proportion equation
   188,969 : 288,947 = 288,947 : x
2. Step 2: Convert to fraction form
   188,969/288,947 = 288,947/x
3. Step 3: Cross multiply
   188,969x = 288,947 × 288,947
4. Step 4: Simplify right side
   188,969x = 83,490,368,809
5. Step 5: Solve for x
   x = 83,490,368,809/188,969
6. Step 6: Final answer
   x = 441,820.45