Finding the Third Proportional to 1,205,596 and 1,641,816

Step by Step Solution

1. Step 1: Write the proportion equation
   1,205,596 : 1,641,816 = 1,641,816 : x
2. Step 2: Convert to fraction form
   1,205,596/1,641,816 = 1,641,816/x
3. Step 3: Cross multiply
   1,205,596x = 1,641,816 × 1,641,816
4. Step 4: Simplify right side
   1,205,596x = 2,695,559,777,856
5. Step 5: Solve for x
   x = 2,695,559,777,856/1,205,596
6. Step 6: Final answer
   x = 2,235,873.19