Finding the Third Proportional to 892,200 and 1,271,790

Step by Step Solution

1. Step 1: Write the proportion equation
   892,200 : 1,271,790 = 1,271,790 : x
2. Step 2: Convert to fraction form
   892,200/1,271,790 = 1,271,790/x
3. Step 3: Cross multiply
   892,200x = 1,271,790 × 1,271,790
4. Step 4: Simplify right side
   892,200x = 1,617,449,804,100
5. Step 5: Solve for x
   x = 1,617,449,804,100/892,200
6. Step 6: Final answer
   x = 1,812,878.06