Finding the Third Proportional to 1,228,650 and 1,860,148

Step by Step Solution

1. Step 1: Write the proportion equation
   1,228,650 : 1,860,148 = 1,860,148 : x
2. Step 2: Convert to fraction form
   1,228,650/1,860,148 = 1,860,148/x
3. Step 3: Cross multiply
   1,228,650x = 1,860,148 × 1,860,148
4. Step 4: Simplify right side
   1,228,650x = 3,460,150,581,904
5. Step 5: Solve for x
   x = 3,460,150,581,904/1,228,650
6. Step 6: Final answer
   x = 2,816,221.53