Finding the Third Proportional to 742,656 and 1,082,688

Step by Step Solution

1. Step 1: Write the proportion equation
   742,656 : 1,082,688 = 1,082,688 : x
2. Step 2: Convert to fraction form
   742,656/1,082,688 = 1,082,688/x
3. Step 3: Cross multiply
   742,656x = 1,082,688 × 1,082,688
4. Step 4: Simplify right side
   742,656x = 1,172,213,305,344
5. Step 5: Solve for x
   x = 1,172,213,305,344/742,656
6. Step 6: Final answer
   x = 1,578,406.83