Finding the Third Proportional to 681,630 and 1,476,105

Step by Step Solution

1. Step 1: Write the proportion equation
   681,630 : 1,476,105 = 1,476,105 : x
2. Step 2: Convert to fraction form
   681,630/1,476,105 = 1,476,105/x
3. Step 3: Cross multiply
   681,630x = 1,476,105 × 1,476,105
4. Step 4: Simplify right side
   681,630x = 2,178,885,971,025
5. Step 5: Solve for x
   x = 2,178,885,971,025/681,630
6. Step 6: Final answer
   x = 3,196,581.68