Finding the Third Proportional to 644,818 and 1,016,692

Step by Step Solution

1. Step 1: Write the proportion equation
   644,818 : 1,016,692 = 1,016,692 : x
2. Step 2: Convert to fraction form
   644,818/1,016,692 = 1,016,692/x
3. Step 3: Cross multiply
   644,818x = 1,016,692 × 1,016,692
4. Step 4: Simplify right side
   644,818x = 1,033,662,622,864
5. Step 5: Solve for x
   x = 1,033,662,622,864/644,818
6. Step 6: Final answer
   x = 1,603,030.04