Finding the Third Proportional to 231,448 and 360,705

Step by Step Solution

1. Step 1: Write the proportion equation
   231,448 : 360,705 = 360,705 : x
2. Step 2: Convert to fraction form
   231,448/360,705 = 360,705/x
3. Step 3: Cross multiply
   231,448x = 360,705 × 360,705
4. Step 4: Simplify right side
   231,448x = 130,108,097,025
5. Step 5: Solve for x
   x = 130,108,097,025/231,448
6. Step 6: Final answer
   x = 562,148.29