Finding the Third Proportional to 792,991 and 1,276,830

Step by Step Solution

1. Step 1: Write the proportion equation
   792,991 : 1,276,830 = 1,276,830 : x
2. Step 2: Convert to fraction form
   792,991/1,276,830 = 1,276,830/x
3. Step 3: Cross multiply
   792,991x = 1,276,830 × 1,276,830
4. Step 4: Simplify right side
   792,991x = 1,630,294,848,900
5. Step 5: Solve for x
   x = 1,630,294,848,900/792,991
6. Step 6: Final answer
   x = 2,055,880.65