Finding the Third Proportional to 703,616 and 1,090,176

Step by Step Solution

1. Step 1: Write the proportion equation
   703,616 : 1,090,176 = 1,090,176 : x
2. Step 2: Convert to fraction form
   703,616/1,090,176 = 1,090,176/x
3. Step 3: Cross multiply
   703,616x = 1,090,176 × 1,090,176
4. Step 4: Simplify right side
   703,616x = 1,188,483,710,976
5. Step 5: Solve for x
   x = 1,188,483,710,976/703,616
6. Step 6: Final answer
   x = 1,689,108.42