Finding the Third Proportional to 7,980,264 and 12,382,077

Step by Step Solution

1. Step 1: Write the proportion equation
   7,980,264 : 12,382,077 = 12,382,077 : x
2. Step 2: Convert to fraction form
   7,980,264/12,382,077 = 12,382,077/x
3. Step 3: Cross multiply
   7,980,264x = 12,382,077 × 12,382,077
4. Step 4: Simplify right side
   7,980,264x = 153,315,830,833,929
5. Step 5: Solve for x
   x = 153,315,830,833,929/7,980,264
6. Step 6: Final answer
   x = 19,211,874.55