Finding the Third Proportional to 687,468 and 1,476,516

Step by Step Solution

1. Step 1: Write the proportion equation
   687,468 : 1,476,516 = 1,476,516 : x
2. Step 2: Convert to fraction form
   687,468/1,476,516 = 1,476,516/x
3. Step 3: Cross multiply
   687,468x = 1,476,516 × 1,476,516
4. Step 4: Simplify right side
   687,468x = 2,180,099,498,256
5. Step 5: Solve for x
   x = 2,180,099,498,256/687,468
6. Step 6: Final answer
   x = 3,171,201.42