Finding the Third Proportional to 688,342 and 1,476,326

Step by Step Solution

1. Step 1: Write the proportion equation
   688,342 : 1,476,326 = 1,476,326 : x
2. Step 2: Convert to fraction form
   688,342/1,476,326 = 1,476,326/x
3. Step 3: Cross multiply
   688,342x = 1,476,326 × 1,476,326
4. Step 4: Simplify right side
   688,342x = 2,179,538,458,276
5. Step 5: Solve for x
   x = 2,179,538,458,276/688,342
6. Step 6: Final answer
   x = 3,166,359.83