Finding the Third Proportional to 684,929 and 1,090,818

Step by Step Solution

1. Step 1: Write the proportion equation
   684,929 : 1,090,818 = 1,090,818 : x
2. Step 2: Convert to fraction form
   684,929/1,090,818 = 1,090,818/x
3. Step 3: Cross multiply
   684,929x = 1,090,818 × 1,090,818
4. Step 4: Simplify right side
   684,929x = 1,189,883,909,124
5. Step 5: Solve for x
   x = 1,189,883,909,124/684,929
6. Step 6: Final answer
   x = 1,737,236.87