Finding the Third Proportional to 682,276 and 1,070,238

Step by Step Solution

1. Step 1: Write the proportion equation
   682,276 : 1,070,238 = 1,070,238 : x
2. Step 2: Convert to fraction form
   682,276/1,070,238 = 1,070,238/x
3. Step 3: Cross multiply
   682,276x = 1,070,238 × 1,070,238
4. Step 4: Simplify right side
   682,276x = 1,145,409,376,644
5. Step 5: Solve for x
   x = 1,145,409,376,644/682,276
6. Step 6: Final answer
   x = 1,678,806.49