Finding the Third Proportional to 892,172 and 1,271,820

Step by Step Solution

1. Step 1: Write the proportion equation
   892,172 : 1,271,820 = 1,271,820 : x
2. Step 2: Convert to fraction form
   892,172/1,271,820 = 1,271,820/x
3. Step 3: Cross multiply
   892,172x = 1,271,820 × 1,271,820
4. Step 4: Simplify right side
   892,172x = 1,617,526,112,400
5. Step 5: Solve for x
   x = 1,617,526,112,400/892,172
6. Step 6: Final answer
   x = 1,813,020.49