Finding the Third Proportional to 891,368 and 1,380,814

Step by Step Solution

1. Step 1: Write the proportion equation
   891,368 : 1,380,814 = 1,380,814 : x
2. Step 2: Convert to fraction form
   891,368/1,380,814 = 1,380,814/x
3. Step 3: Cross multiply
   891,368x = 1,380,814 × 1,380,814
4. Step 4: Simplify right side
   891,368x = 1,906,647,302,596
5. Step 5: Solve for x
   x = 1,906,647,302,596/891,368
6. Step 6: Final answer
   x = 2,139,012.51