Finding the Third Proportional to 3,452,179 and 5,178,272

Step by Step Solution

1. Step 1: Write the proportion equation
   3,452,179 : 5,178,272 = 5,178,272 : x
2. Step 2: Convert to fraction form
   3,452,179/5,178,272 = 5,178,272/x
3. Step 3: Cross multiply
   3,452,179x = 5,178,272 × 5,178,272
4. Step 4: Simplify right side
   3,452,179x = 26,814,500,905,984
5. Step 5: Solve for x
   x = 26,814,500,905,984/3,452,179
6. Step 6: Final answer
   x = 7,767,413.25