Finding the Third Proportional to 4,199,582 and 8,679,100

Step by Step Solution

1. Step 1: Write the proportion equation
   4,199,582 : 8,679,100 = 8,679,100 : x
2. Step 2: Convert to fraction form
   4,199,582/8,679,100 = 8,679,100/x
3. Step 3: Cross multiply
   4,199,582x = 8,679,100 × 8,679,100
4. Step 4: Simplify right side
   4,199,582x = 75,326,776,810,000
5. Step 5: Solve for x
   x = 75,326,776,810,000/4,199,582
6. Step 6: Final answer
   x = 17,936,731.99