Finding the Third Proportional to 916,955 and 1,991,451

Step by Step Solution

1. Step 1: Write the proportion equation
   916,955 : 1,991,451 = 1,991,451 : x
2. Step 2: Convert to fraction form
   916,955/1,991,451 = 1,991,451/x
3. Step 3: Cross multiply
   916,955x = 1,991,451 × 1,991,451
4. Step 4: Simplify right side
   916,955x = 3,965,877,085,401
5. Step 5: Solve for x
   x = 3,965,877,085,401/916,955
6. Step 6: Final answer
   x = 4,325,050.94