Finding the Third Proportional to 684,927 and 1,090,820

Step by Step Solution

1. Step 1: Write the proportion equation
   684,927 : 1,090,820 = 1,090,820 : x
2. Step 2: Convert to fraction form
   684,927/1,090,820 = 1,090,820/x
3. Step 3: Cross multiply
   684,927x = 1,090,820 × 1,090,820
4. Step 4: Simplify right side
   684,927x = 1,189,888,272,400
5. Step 5: Solve for x
   x = 1,189,888,272,400/684,927
6. Step 6: Final answer
   x = 1,737,248.31