Finding the Third Proportional to 684,928 and 1,090,808

Step by Step Solution

1. Step 1: Write the proportion equation
   684,928 : 1,090,808 = 1,090,808 : x
2. Step 2: Convert to fraction form
   684,928/1,090,808 = 1,090,808/x
3. Step 3: Cross multiply
   684,928x = 1,090,808 × 1,090,808
4. Step 4: Simplify right side
   684,928x = 1,189,862,092,864
5. Step 5: Solve for x
   x = 1,189,862,092,864/684,928
6. Step 6: Final answer
   x = 1,737,207.55