Finding the Third Proportional to 141,020 and 317,550

Step by Step Solution

1. Step 1: Write the proportion equation
   141,020 : 317,550 = 317,550 : x
2. Step 2: Convert to fraction form
   141,020/317,550 = 317,550/x
3. Step 3: Cross multiply
   141,020x = 317,550 × 317,550
4. Step 4: Simplify right side
   141,020x = 100,838,002,500
5. Step 5: Solve for x
   x = 100,838,002,500/141,020
6. Step 6: Final answer
   x = 715,061.71