Finding the Third Proportional to 854,553 and 1,867,907

Step by Step Solution

1. Step 1: Write the proportion equation
   854,553 : 1,867,907 = 1,867,907 : x
2. Step 2: Convert to fraction form
   854,553/1,867,907 = 1,867,907/x
3. Step 3: Cross multiply
   854,553x = 1,867,907 × 1,867,907
4. Step 4: Simplify right side
   854,553x = 3,489,076,560,649
5. Step 5: Solve for x
   x = 3,489,076,560,649/854,553
6. Step 6: Final answer
   x = 4,082,925.88