Finding the Third Proportional to 911,400 and 1,994,356

Step by Step Solution

1. Step 1: Write the proportion equation
   911,400 : 1,994,356 = 1,994,356 : x
2. Step 2: Convert to fraction form
   911,400/1,994,356 = 1,994,356/x
3. Step 3: Cross multiply
   911,400x = 1,994,356 × 1,994,356
4. Step 4: Simplify right side
   911,400x = 3,977,455,854,736
5. Step 5: Solve for x
   x = 3,977,455,854,736/911,400
6. Step 6: Final answer
   x = 4,364,116.58