Finding the Third Proportional to 688,328 and 1,476,300

Step by Step Solution

1. Step 1: Write the proportion equation
   688,328 : 1,476,300 = 1,476,300 : x
2. Step 2: Convert to fraction form
   688,328/1,476,300 = 1,476,300/x
3. Step 3: Cross multiply
   688,328x = 1,476,300 × 1,476,300
4. Step 4: Simplify right side
   688,328x = 2,179,461,690,000
5. Step 5: Solve for x
   x = 2,179,461,690,000/688,328
6. Step 6: Final answer
   x = 3,166,312.70