Finding the Third Proportional to 5,452,486 and 8,255,146

Step by Step Solution

1. Step 1: Write the proportion equation
   5,452,486 : 8,255,146 = 8,255,146 : x
2. Step 2: Convert to fraction form
   5,452,486/8,255,146 = 8,255,146/x
3. Step 3: Cross multiply
   5,452,486x = 8,255,146 × 8,255,146
4. Step 4: Simplify right side
   5,452,486x = 68,147,435,481,316
5. Step 5: Solve for x
   x = 68,147,435,481,316/5,452,486
6. Step 6: Final answer
   x = 12,498,415.49