Finding the Third Proportional to 323,525.81 and 680,508

Step by Step Solution

1. Step 1: Write the proportion equation
   323,525.81 : 680,508 = 680,508 : x
2. Step 2: Convert to fraction form
   323,525.81/680,508 = 680,508/x
3. Step 3: Cross multiply
   323,525.81x = 680,508 × 680,508
4. Step 4: Simplify right side
   323,525.81x = 463,091,138,064
5. Step 5: Solve for x
   x = 463,091,138,064/323,525.81
6. Step 6: Final answer
   x = 1,431,388.53