Finding the Third Proportional to 623,523 and 1,339,710

Step by Step Solution

1. Step 1: Write the proportion equation
   623,523 : 1,339,710 = 1,339,710 : x
2. Step 2: Convert to fraction form
   623,523/1,339,710 = 1,339,710/x
3. Step 3: Cross multiply
   623,523x = 1,339,710 × 1,339,710
4. Step 4: Simplify right side
   623,523x = 1,794,822,884,100
5. Step 5: Solve for x
   x = 1,794,822,884,100/623,523
6. Step 6: Final answer
   x = 2,878,519.13