Finding the Third Proportional to 146,911.50 and 317,151

Step by Step Solution

1. Step 1: Write the proportion equation
   146,911.50 : 317,151 = 317,151 : x
2. Step 2: Convert to fraction form
   146,911.50/317,151 = 317,151/x
3. Step 3: Cross multiply
   146,911.50x = 317,151 × 317,151
4. Step 4: Simplify right side
   146,911.50x = 100,584,756,801
5. Step 5: Solve for x
   x = 100,584,756,801/146,911.50
6. Step 6: Final answer
   x = 684,662.24