Finding the Third Proportional to 688,366 and 1,476,370

Step by Step Solution

1. Step 1: Write the proportion equation
   688,366 : 1,476,370 = 1,476,370 : x
2. Step 2: Convert to fraction form
   688,366/1,476,370 = 1,476,370/x
3. Step 3: Cross multiply
   688,366x = 1,476,370 × 1,476,370
4. Step 4: Simplify right side
   688,366x = 2,179,668,376,900
5. Step 5: Solve for x
   x = 2,179,668,376,900/688,366
6. Step 6: Final answer
   x = 3,166,438.17