Finding the Third Proportional to 911,440 and 1,994,498

Step by Step Solution

1. Step 1: Write the proportion equation
   911,440 : 1,994,498 = 1,994,498 : x
2. Step 2: Convert to fraction form
   911,440/1,994,498 = 1,994,498/x
3. Step 3: Cross multiply
   911,440x = 1,994,498 × 1,994,498
4. Step 4: Simplify right side
   911,440x = 3,978,022,272,004
5. Step 5: Solve for x
   x = 3,978,022,272,004/911,440
6. Step 6: Final answer
   x = 4,364,546.51