Finding the Third Proportional to 476,388 and 991,980

Step by Step Solution

1. Step 1: Write the proportion equation
   476,388 : 991,980 = 991,980 : x
2. Step 2: Convert to fraction form
   476,388/991,980 = 991,980/x
3. Step 3: Cross multiply
   476,388x = 991,980 × 991,980
4. Step 4: Simplify right side
   476,388x = 984,024,320,400
5. Step 5: Solve for x
   x = 984,024,320,400/476,388
6. Step 6: Final answer
   x = 2,065,594.26