Finding the Third Proportional to 813,159 and 1,086,696

Step by Step Solution

1. Step 1: Write the proportion equation
   813,159 : 1,086,696 = 1,086,696 : x
2. Step 2: Convert to fraction form
   813,159/1,086,696 = 1,086,696/x
3. Step 3: Cross multiply
   813,159x = 1,086,696 × 1,086,696
4. Step 4: Simplify right side
   813,159x = 1,180,908,196,416
5. Step 5: Solve for x
   x = 1,180,908,196,416/813,159
6. Step 6: Final answer
   x = 1,452,247.59