Finding the Third Proportional to 684,942 and 1,090,842

Step by Step Solution

1. Step 1: Write the proportion equation
   684,942 : 1,090,842 = 1,090,842 : x
2. Step 2: Convert to fraction form
   684,942/1,090,842 = 1,090,842/x
3. Step 3: Cross multiply
   684,942x = 1,090,842 × 1,090,842
4. Step 4: Simplify right side
   684,942x = 1,189,936,268,964
5. Step 5: Solve for x
   x = 1,189,936,268,964/684,942
6. Step 6: Final answer
   x = 1,737,280.34