Finding the Third Proportional to 5,463,870 and 8,018,658

Step by Step Solution

1. Step 1: Write the proportion equation
   5,463,870 : 8,018,658 = 8,018,658 : x
2. Step 2: Convert to fraction form
   5,463,870/8,018,658 = 8,018,658/x
3. Step 3: Cross multiply
   5,463,870x = 8,018,658 × 8,018,658
4. Step 4: Simplify right side
   5,463,870x = 64,298,876,120,964
5. Step 5: Solve for x
   x = 64,298,876,120,964/5,463,870
6. Step 6: Final answer
   x = 11,768,009.88