Finding the Third Proportional to 476,180 and 991,800

Step by Step Solution

1. Step 1: Write the proportion equation
   476,180 : 991,800 = 991,800 : x
2. Step 2: Convert to fraction form
   476,180/991,800 = 991,800/x
3. Step 3: Cross multiply
   476,180x = 991,800 × 991,800
4. Step 4: Simplify right side
   476,180x = 983,667,240,000
5. Step 5: Solve for x
   x = 983,667,240,000/476,180
6. Step 6: Final answer
   x = 2,065,746.65