Finding the Third Proportional to 911,392 and 1,994,340

Step by Step Solution

1. Step 1: Write the proportion equation
   911,392 : 1,994,340 = 1,994,340 : x
2. Step 2: Convert to fraction form
   911,392/1,994,340 = 1,994,340/x
3. Step 3: Cross multiply
   911,392x = 1,994,340 × 1,994,340
4. Step 4: Simplify right side
   911,392x = 3,977,392,035,600
5. Step 5: Solve for x
   x = 3,977,392,035,600/911,392
6. Step 6: Final answer
   x = 4,364,084.87