Finding the Third Proportional to 188,259.94 and 286,804.78

Step by Step Solution

1. Step 1: Write the proportion equation
   188,259.94 : 286,804.78 = 286,804.78 : x
2. Step 2: Convert to fraction form
   188,259.94/286,804.78 = 286,804.78/x
3. Step 3: Cross multiply
   188,259.94x = 286,804.78 × 286,804.78
4. Step 4: Simplify right side
   188,259.94x = 82,256,982,547.86
5. Step 5: Solve for x
   x = 82,256,982,547.86/188,259.94
6. Step 6: Final answer
   x = 436,933.02