Finding the Third Proportional to 3,857,699 and 8,296,042

Step by Step Solution

1. Step 1: Write the proportion equation
   3,857,699 : 8,296,042 = 8,296,042 : x
2. Step 2: Convert to fraction form
   3,857,699/8,296,042 = 8,296,042/x
3. Step 3: Cross multiply
   3,857,699x = 8,296,042 × 8,296,042
4. Step 4: Simplify right side
   3,857,699x = 68,824,312,865,764
5. Step 5: Solve for x
   x = 68,824,312,865,764/3,857,699
6. Step 6: Final answer
   x = 17,840,768.00