Finding the Third Proportional to 1,058,146 and 1,589,631

Step by Step Solution

1. Step 1: Write the proportion equation
   1,058,146 : 1,589,631 = 1,589,631 : x
2. Step 2: Convert to fraction form
   1,058,146/1,589,631 = 1,589,631/x
3. Step 3: Cross multiply
   1,058,146x = 1,589,631 × 1,589,631
4. Step 4: Simplify right side
   1,058,146x = 2,526,926,716,161
5. Step 5: Solve for x
   x = 2,526,926,716,161/1,058,146
6. Step 6: Final answer
   x = 2,388,070.00