Finding the Third Proportional to 3,689,810 and 8,009,444

Step by Step Solution

1. Step 1: Write the proportion equation
   3,689,810 : 8,009,444 = 8,009,444 : x
2. Step 2: Convert to fraction form
   3,689,810/8,009,444 = 8,009,444/x
3. Step 3: Cross multiply
   3,689,810x = 8,009,444 × 8,009,444
4. Step 4: Simplify right side
   3,689,810x = 64,151,193,189,136
5. Step 5: Solve for x
   x = 64,151,193,189,136/3,689,810
6. Step 6: Final answer
   x = 17,386,042.42