Finding the Third Proportional to 911,366 and 1,994,290

Step by Step Solution

1. Step 1: Write the proportion equation
   911,366 : 1,994,290 = 1,994,290 : x
2. Step 2: Convert to fraction form
   911,366/1,994,290 = 1,994,290/x
3. Step 3: Cross multiply
   911,366x = 1,994,290 × 1,994,290
4. Step 4: Simplify right side
   911,366x = 3,977,192,604,100
5. Step 5: Solve for x
   x = 3,977,192,604,100/911,366
6. Step 6: Final answer
   x = 4,363,990.54