Finding the Third Proportional to 891,168 and 1,391,427

Step by Step Solution

1. Step 1: Write the proportion equation
   891,168 : 1,391,427 = 1,391,427 : x
2. Step 2: Convert to fraction form
   891,168/1,391,427 = 1,391,427/x
3. Step 3: Cross multiply
   891,168x = 1,391,427 × 1,391,427
4. Step 4: Simplify right side
   891,168x = 1,936,069,096,329
5. Step 5: Solve for x
   x = 1,936,069,096,329/891,168
6. Step 6: Final answer
   x = 2,172,507.42