Finding the Third Proportional to 916,842 and 1,991,452

Step by Step Solution

1. Step 1: Write the proportion equation
   916,842 : 1,991,452 = 1,991,452 : x
2. Step 2: Convert to fraction form
   916,842/1,991,452 = 1,991,452/x
3. Step 3: Cross multiply
   916,842x = 1,991,452 × 1,991,452
4. Step 4: Simplify right side
   916,842x = 3,965,881,068,304
5. Step 5: Solve for x
   x = 3,965,881,068,304/916,842
6. Step 6: Final answer
   x = 4,325,588.34