Finding the Third Proportional to 891,021 and 1,181,505

Step by Step Solution

1. Step 1: Write the proportion equation
   891,021 : 1,181,505 = 1,181,505 : x
2. Step 2: Convert to fraction form
   891,021/1,181,505 = 1,181,505/x
3. Step 3: Cross multiply
   891,021x = 1,181,505 × 1,181,505
4. Step 4: Simplify right side
   891,021x = 1,395,954,065,025
5. Step 5: Solve for x
   x = 1,395,954,065,025/891,021
6. Step 6: Final answer
   x = 1,566,690.42