Finding the Third Proportional to 3,982,752 and 8,739,648

Step by Step Solution

1. Step 1: Write the proportion equation
   3,982,752 : 8,739,648 = 8,739,648 : x
2. Step 2: Convert to fraction form
   3,982,752/8,739,648 = 8,739,648/x
3. Step 3: Cross multiply
   3,982,752x = 8,739,648 × 8,739,648
4. Step 4: Simplify right side
   3,982,752x = 76,381,447,163,904
5. Step 5: Solve for x
   x = 76,381,447,163,904/3,982,752
6. Step 6: Final answer
   x = 19,178,057.58