Finding the Third Proportional to 3,541,871 and 7,509,370

Step by Step Solution

1. Step 1: Write the proportion equation
   3,541,871 : 7,509,370 = 7,509,370 : x
2. Step 2: Convert to fraction form
   3,541,871/7,509,370 = 7,509,370/x
3. Step 3: Cross multiply
   3,541,871x = 7,509,370 × 7,509,370
4. Step 4: Simplify right side
   3,541,871x = 56,390,637,796,900
5. Step 5: Solve for x
   x = 56,390,637,796,900/3,541,871
6. Step 6: Final answer
   x = 15,921,143.88