Finding the Third Proportional to 521,664 and 1,143,336

Step by Step Solution

1. Step 1: Write the proportion equation
   521,664 : 1,143,336 = 1,143,336 : x
2. Step 2: Convert to fraction form
   521,664/1,143,336 = 1,143,336/x
3. Step 3: Cross multiply
   521,664x = 1,143,336 × 1,143,336
4. Step 4: Simplify right side
   521,664x = 1,307,217,208,896
5. Step 5: Solve for x
   x = 1,307,217,208,896/521,664
6. Step 6: Final answer
   x = 2,505,860.49