Finding the Third Proportional to 684,915 and 1,090,795

Step by Step Solution

1. Step 1: Write the proportion equation
   684,915 : 1,090,795 = 1,090,795 : x
2. Step 2: Convert to fraction form
   684,915/1,090,795 = 1,090,795/x
3. Step 3: Cross multiply
   684,915x = 1,090,795 × 1,090,795
4. Step 4: Simplify right side
   684,915x = 1,189,833,732,025
5. Step 5: Solve for x
   x = 1,189,833,732,025/684,915
6. Step 6: Final answer
   x = 1,737,199.12