Finding the Third Proportional to 352,620 and 495,483.75

Step by Step Solution

1. Step 1: Write the proportion equation
   352,620 : 495,483.75 = 495,483.75 : x
2. Step 2: Convert to fraction form
   352,620/495,483.75 = 495,483.75/x
3. Step 3: Cross multiply
   352,620x = 495,483.75 × 495,483.75
4. Step 4: Simplify right side
   352,620x = 245,504,146,514.06
5. Step 5: Solve for x
   x = 245,504,146,514.06/352,620
6. Step 6: Final answer
   x = 696,228.65