Finding the Third Proportional to 1,230,870 and 1,806,367

Step by Step Solution

1. Step 1: Write the proportion equation
   1,230,870 : 1,806,367 = 1,806,367 : x
2. Step 2: Convert to fraction form
   1,230,870/1,806,367 = 1,806,367/x
3. Step 3: Cross multiply
   1,230,870x = 1,806,367 × 1,806,367
4. Step 4: Simplify right side
   1,230,870x = 3,262,961,738,689
5. Step 5: Solve for x
   x = 3,262,961,738,689/1,230,870
6. Step 6: Final answer
   x = 2,650,939.37