Finding the Third Proportional to 1,228,564 and 1,860,036

Step by Step Solution

1. Step 1: Write the proportion equation
   1,228,564 : 1,860,036 = 1,860,036 : x
2. Step 2: Convert to fraction form
   1,228,564/1,860,036 = 1,860,036/x
3. Step 3: Cross multiply
   1,228,564x = 1,860,036 × 1,860,036
4. Step 4: Simplify right side
   1,228,564x = 3,459,733,921,296
5. Step 5: Solve for x
   x = 3,459,733,921,296/1,228,564
6. Step 6: Final answer
   x = 2,816,079.52