Finding the Third Proportional to 911,406 and 1,994,370

Step by Step Solution

1. Step 1: Write the proportion equation
   911,406 : 1,994,370 = 1,994,370 : x
2. Step 2: Convert to fraction form
   911,406/1,994,370 = 1,994,370/x
3. Step 3: Cross multiply
   911,406x = 1,994,370 × 1,994,370
4. Step 4: Simplify right side
   911,406x = 3,977,511,696,900
5. Step 5: Solve for x
   x = 3,977,511,696,900/911,406
6. Step 6: Final answer
   x = 4,364,149.12