Finding the Third Proportional to 3,679,429.50 and 8,042,859

Step by Step Solution

1. Step 1: Write the proportion equation
   3,679,429.50 : 8,042,859 = 8,042,859 : x
2. Step 2: Convert to fraction form
   3,679,429.50/8,042,859 = 8,042,859/x
3. Step 3: Cross multiply
   3,679,429.50x = 8,042,859 × 8,042,859
4. Step 4: Simplify right side
   3,679,429.50x = 64,687,580,893,881
5. Step 5: Solve for x
   x = 64,687,580,893,881/3,679,429.50
6. Step 6: Final answer
   x = 17,580,872.50