Finding the Third Proportional to 3,319,108 and 7,280,776

Step by Step Solution

1. Step 1: Write the proportion equation
   3,319,108 : 7,280,776 = 7,280,776 : x
2. Step 2: Convert to fraction form
   3,319,108/7,280,776 = 7,280,776/x
3. Step 3: Cross multiply
   3,319,108x = 7,280,776 × 7,280,776
4. Step 4: Simplify right side
   3,319,108x = 53,009,699,162,176
5. Step 5: Solve for x
   x = 53,009,699,162,176/3,319,108
6. Step 6: Final answer
   x = 15,971,067.88