Finding the Third Proportional to 911,392 and 1,994,339

Step by Step Solution

1. Step 1: Write the proportion equation
   911,392 : 1,994,339 = 1,994,339 : x
2. Step 2: Convert to fraction form
   911,392/1,994,339 = 1,994,339/x
3. Step 3: Cross multiply
   911,392x = 1,994,339 × 1,994,339
4. Step 4: Simplify right side
   911,392x = 3,977,388,046,921
5. Step 5: Solve for x
   x = 3,977,388,046,921/911,392
6. Step 6: Final answer
   x = 4,364,080.49