Finding the Third Proportional to 19,860,183 and 42,855,498

Step by Step Solution

1. Step 1: Write the proportion equation
   19,860,183 : 42,855,498 = 42,855,498 : x
2. Step 2: Convert to fraction form
   19,860,183/42,855,498 = 42,855,498/x
3. Step 3: Cross multiply
   19,860,183x = 42,855,498 × 42,855,498
4. Step 4: Simplify right side
   19,860,183x = 1,836,593,708,828,004
5. Step 5: Solve for x
   x = 1,836,593,708,828,004/19,860,183
6. Step 6: Final answer
   x = 92,476,172.49