Finding the Third Proportional to 911,447 and 1,994,512

Step by Step Solution

1. Step 1: Write the proportion equation
   911,447 : 1,994,512 = 1,994,512 : x
2. Step 2: Convert to fraction form
   911,447/1,994,512 = 1,994,512/x
3. Step 3: Cross multiply
   911,447x = 1,994,512 × 1,994,512
4. Step 4: Simplify right side
   911,447x = 3,978,078,118,144
5. Step 5: Solve for x
   x = 3,978,078,118,144/911,447
6. Step 6: Final answer
   x = 4,364,574.26