Finding the Third Proportional to 742,680 and 1,082,724

Step by Step Solution

1. Step 1: Write the proportion equation
   742,680 : 1,082,724 = 1,082,724 : x
2. Step 2: Convert to fraction form
   742,680/1,082,724 = 1,082,724/x
3. Step 3: Cross multiply
   742,680x = 1,082,724 × 1,082,724
4. Step 4: Simplify right side
   742,680x = 1,172,291,260,176
5. Step 5: Solve for x
   x = 1,172,291,260,176/742,680
6. Step 6: Final answer
   x = 1,578,460.79