Finding the Third Proportional to 730,976 and 1,129,665

Step by Step Solution

1. Step 1: Write the proportion equation
   730,976 : 1,129,665 = 1,129,665 : x
2. Step 2: Convert to fraction form
   730,976/1,129,665 = 1,129,665/x
3. Step 3: Cross multiply
   730,976x = 1,129,665 × 1,129,665
4. Step 4: Simplify right side
   730,976x = 1,276,143,012,225
5. Step 5: Solve for x
   x = 1,276,143,012,225/730,976
6. Step 6: Final answer
   x = 1,745,806.99