Finding the Third Proportional to 789,021 and 1,725,660

Step by Step Solution

1. Step 1: Write the proportion equation
   789,021 : 1,725,660 = 1,725,660 : x
2. Step 2: Convert to fraction form
   789,021/1,725,660 = 1,725,660/x
3. Step 3: Cross multiply
   789,021x = 1,725,660 × 1,725,660
4. Step 4: Simplify right side
   789,021x = 2,977,902,435,600
5. Step 5: Solve for x
   x = 2,977,902,435,600/789,021
6. Step 6: Final answer
   x = 3,774,173.86