Finding the Third Proportional to 7,980,241 and 12,382,054

Step by Step Solution

1. Step 1: Write the proportion equation
   7,980,241 : 12,382,054 = 12,382,054 : x
2. Step 2: Convert to fraction form
   7,980,241/12,382,054 = 12,382,054/x
3. Step 3: Cross multiply
   7,980,241x = 12,382,054 × 12,382,054
4. Step 4: Simplify right side
   7,980,241x = 153,315,261,258,916
5. Step 5: Solve for x
   x = 153,315,261,258,916/7,980,241
6. Step 6: Final answer
   x = 19,211,858.55