Finding the Third Proportional to 789,406 and 1,705,090

Step by Step Solution

1. Step 1: Write the proportion equation
   789,406 : 1,705,090 = 1,705,090 : x
2. Step 2: Convert to fraction form
   789,406/1,705,090 = 1,705,090/x
3. Step 3: Cross multiply
   789,406x = 1,705,090 × 1,705,090
4. Step 4: Simplify right side
   789,406x = 2,907,331,908,100
5. Step 5: Solve for x
   x = 2,907,331,908,100/789,406
6. Step 6: Final answer
   x = 3,682,936.17