Finding the Third Proportional to 911,446 and 1,994,510

Step by Step Solution

1. Step 1: Write the proportion equation
   911,446 : 1,994,510 = 1,994,510 : x
2. Step 2: Convert to fraction form
   911,446/1,994,510 = 1,994,510/x
3. Step 3: Cross multiply
   911,446x = 1,994,510 × 1,994,510
4. Step 4: Simplify right side
   911,446x = 3,978,070,140,100
5. Step 5: Solve for x
   x = 3,978,070,140,100/911,446
6. Step 6: Final answer
   x = 4,364,570.30