Finding the Third Proportional to 800,830 and 1,078,664

Step by Step Solution

1. Step 1: Write the proportion equation
   800,830 : 1,078,664 = 1,078,664 : x
2. Step 2: Convert to fraction form
   800,830/1,078,664 = 1,078,664/x
3. Step 3: Cross multiply
   800,830x = 1,078,664 × 1,078,664
4. Step 4: Simplify right side
   800,830x = 1,163,516,024,896
5. Step 5: Solve for x
   x = 1,163,516,024,896/800,830
6. Step 6: Final answer
   x = 1,452,887.66