Finding the Third Proportional to 188,010 and 287,973

Step by Step Solution

1. Step 1: Write the proportion equation
   188,010 : 287,973 = 287,973 : x
2. Step 2: Convert to fraction form
   188,010/287,973 = 287,973/x
3. Step 3: Cross multiply
   188,010x = 287,973 × 287,973
4. Step 4: Simplify right side
   188,010x = 82,928,448,729
5. Step 5: Solve for x
   x = 82,928,448,729/188,010
6. Step 6: Final answer
   x = 441,085.31