Finding the Third Proportional to 688,341 and 1,476,321

Step by Step Solution

1. Step 1: Write the proportion equation
   688,341 : 1,476,321 = 1,476,321 : x
2. Step 2: Convert to fraction form
   688,341/1,476,321 = 1,476,321/x
3. Step 3: Cross multiply
   688,341x = 1,476,321 × 1,476,321
4. Step 4: Simplify right side
   688,341x = 2,179,523,695,041
5. Step 5: Solve for x
   x = 2,179,523,695,041/688,341
6. Step 6: Final answer
   x = 3,166,342.98