Finding the Third Proportional to 919,436 and 1,427,268

Step by Step Solution

1. Step 1: Write the proportion equation
   919,436 : 1,427,268 = 1,427,268 : x
2. Step 2: Convert to fraction form
   919,436/1,427,268 = 1,427,268/x
3. Step 3: Cross multiply
   919,436x = 1,427,268 × 1,427,268
4. Step 4: Simplify right side
   919,436x = 2,037,093,943,824
5. Step 5: Solve for x
   x = 2,037,093,943,824/919,436
6. Step 6: Final answer
   x = 2,215,590.80