Finding the Third Proportional to 688,333 and 1,476,309

Step by Step Solution

1. Step 1: Write the proportion equation
   688,333 : 1,476,309 = 1,476,309 : x
2. Step 2: Convert to fraction form
   688,333/1,476,309 = 1,476,309/x
3. Step 3: Cross multiply
   688,333x = 1,476,309 × 1,476,309
4. Step 4: Simplify right side
   688,333x = 2,179,488,263,481
5. Step 5: Solve for x
   x = 2,179,488,263,481/688,333
6. Step 6: Final answer
   x = 3,166,328.31