Finding the Third Proportional to 831,120 and 1,109,196

Step by Step Solution

1. Step 1: Write the proportion equation
   831,120 : 1,109,196 = 1,109,196 : x
2. Step 2: Convert to fraction form
   831,120/1,109,196 = 1,109,196/x
3. Step 3: Cross multiply
   831,120x = 1,109,196 × 1,109,196
4. Step 4: Simplify right side
   831,120x = 1,230,315,766,416
5. Step 5: Solve for x
   x = 1,230,315,766,416/831,120
6. Step 6: Final answer
   x = 1,480,310.62