Finding the Third Proportional to 439,878 and 980,844

Step by Step Solution

1. Step 1: Write the proportion equation
   439,878 : 980,844 = 980,844 : x
2. Step 2: Convert to fraction form
   439,878/980,844 = 980,844/x
3. Step 3: Cross multiply
   439,878x = 980,844 × 980,844
4. Step 4: Simplify right side
   439,878x = 962,054,952,336
5. Step 5: Solve for x
   x = 962,054,952,336/439,878
6. Step 6: Final answer
   x = 2,187,094.95