Finding the Third Proportional to 1,129,569 and 1,720,833

Step by Step Solution

1. Step 1: Write the proportion equation
   1,129,569 : 1,720,833 = 1,720,833 : x
2. Step 2: Convert to fraction form
   1,129,569/1,720,833 = 1,720,833/x
3. Step 3: Cross multiply
   1,129,569x = 1,720,833 × 1,720,833
4. Step 4: Simplify right side
   1,129,569x = 2,961,266,213,889
5. Step 5: Solve for x
   x = 2,961,266,213,889/1,129,569
6. Step 6: Final answer
   x = 2,621,589.49