Finding the Third Proportional to 830,678 and 1,090,743

Step by Step Solution

1. Step 1: Write the proportion equation
   830,678 : 1,090,743 = 1,090,743 : x
2. Step 2: Convert to fraction form
   830,678/1,090,743 = 1,090,743/x
3. Step 3: Cross multiply
   830,678x = 1,090,743 × 1,090,743
4. Step 4: Simplify right side
   830,678x = 1,189,720,292,049
5. Step 5: Solve for x
   x = 1,189,720,292,049/830,678
6. Step 6: Final answer
   x = 1,432,228.00