Finding the Third Proportional to 688,611 and 1,476,834

Step by Step Solution

1. Step 1: Write the proportion equation
   688,611 : 1,476,834 = 1,476,834 : x
2. Step 2: Convert to fraction form
   688,611/1,476,834 = 1,476,834/x
3. Step 3: Cross multiply
   688,611x = 1,476,834 × 1,476,834
4. Step 4: Simplify right side
   688,611x = 2,181,038,663,556
5. Step 5: Solve for x
   x = 2,181,038,663,556/688,611
6. Step 6: Final answer
   x = 3,167,301.52