Finding the Third Proportional to 911,396 and 1,994,348

Step by Step Solution

1. Step 1: Write the proportion equation
   911,396 : 1,994,348 = 1,994,348 : x
2. Step 2: Convert to fraction form
   911,396/1,994,348 = 1,994,348/x
3. Step 3: Cross multiply
   911,396x = 1,994,348 × 1,994,348
4. Step 4: Simplify right side
   911,396x = 3,977,423,945,104
5. Step 5: Solve for x
   x = 3,977,423,945,104/911,396
6. Step 6: Final answer
   x = 4,364,100.73