Finding the Third Proportional to 709,242 and 1,090,107

Step by Step Solution

1. Step 1: Write the proportion equation
   709,242 : 1,090,107 = 1,090,107 : x
2. Step 2: Convert to fraction form
   709,242/1,090,107 = 1,090,107/x
3. Step 3: Cross multiply
   709,242x = 1,090,107 × 1,090,107
4. Step 4: Simplify right side
   709,242x = 1,188,333,271,449
5. Step 5: Solve for x
   x = 1,188,333,271,449/709,242
6. Step 6: Final answer
   x = 1,675,497.60