Finding the Third Proportional to 1,058,729 and 1,641,691

Step by Step Solution

1. Step 1: Write the proportion equation
   1,058,729 : 1,641,691 = 1,641,691 : x
2. Step 2: Convert to fraction form
   1,058,729/1,641,691 = 1,641,691/x
3. Step 3: Cross multiply
   1,058,729x = 1,641,691 × 1,641,691
4. Step 4: Simplify right side
   1,058,729x = 2,695,149,339,481
5. Step 5: Solve for x
   x = 2,695,149,339,481/1,058,729
6. Step 6: Final answer
   x = 2,545,646.09