Finding the Third Proportional to 200,085.75 and 472,311

Step by Step Solution

1. Step 1: Write the proportion equation
   200,085.75 : 472,311 = 472,311 : x
2. Step 2: Convert to fraction form
   200,085.75/472,311 = 472,311/x
3. Step 3: Cross multiply
   200,085.75x = 472,311 × 472,311
4. Step 4: Simplify right side
   200,085.75x = 223,077,680,721
5. Step 5: Solve for x
   x = 223,077,680,721/200,085.75
6. Step 6: Final answer
   x = 1,114,910.39