Finding the Third Proportional to 911,438 and 1,994,494

Step by Step Solution

1. Step 1: Write the proportion equation
   911,438 : 1,994,494 = 1,994,494 : x
2. Step 2: Convert to fraction form
   911,438/1,994,494 = 1,994,494/x
3. Step 3: Cross multiply
   911,438x = 1,994,494 × 1,994,494
4. Step 4: Simplify right side
   911,438x = 3,978,006,316,036
5. Step 5: Solve for x
   x = 3,978,006,316,036/911,438
6. Step 6: Final answer
   x = 4,364,538.58