Finding the Third Proportional to 3,700,909 and 8,567,072

Step by Step Solution

1. Step 1: Write the proportion equation
   3,700,909 : 8,567,072 = 8,567,072 : x
2. Step 2: Convert to fraction form
   3,700,909/8,567,072 = 8,567,072/x
3. Step 3: Cross multiply
   3,700,909x = 8,567,072 × 8,567,072
4. Step 4: Simplify right side
   3,700,909x = 73,394,722,653,184
5. Step 5: Solve for x
   x = 73,394,722,653,184/3,700,909
6. Step 6: Final answer
   x = 19,831,539.40