Finding the Third Proportional to 3,642,867 and 5,434,776

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642,867 : 5,434,776 = 5,434,776 : x
2. Step 2: Convert to fraction form
   3,642,867/5,434,776 = 5,434,776/x
3. Step 3: Cross multiply
   3,642,867x = 5,434,776 × 5,434,776
4. Step 4: Simplify right side
   3,642,867x = 29,536,790,170,176
5. Step 5: Solve for x
   x = 29,536,790,170,176/3,642,867
6. Step 6: Final answer
   x = 8,108,116.54