Finding the Third Proportional to 1,307,860 and 1,999,806

Step by Step Solution

1. Step 1: Write the proportion equation
   1,307,860 : 1,999,806 = 1,999,806 : x
2. Step 2: Convert to fraction form
   1,307,860/1,999,806 = 1,999,806/x
3. Step 3: Cross multiply
   1,307,860x = 1,999,806 × 1,999,806
4. Step 4: Simplify right side
   1,307,860x = 3,999,224,037,636
5. Step 5: Solve for x
   x = 3,999,224,037,636/1,307,860
6. Step 6: Final answer
   x = 3,057,838.02