Finding the Third Proportional to 911,391 and 1,994,337

Step by Step Solution

1. Step 1: Write the proportion equation
   911,391 : 1,994,337 = 1,994,337 : x
2. Step 2: Convert to fraction form
   911,391/1,994,337 = 1,994,337/x
3. Step 3: Cross multiply
   911,391x = 1,994,337 × 1,994,337
4. Step 4: Simplify right side
   911,391x = 3,977,380,069,569
5. Step 5: Solve for x
   x = 3,977,380,069,569/911,391
6. Step 6: Final answer
   x = 4,364,076.53