Finding the Third Proportional to 1,205,598 and 1,641,819

Step by Step Solution

1. Step 1: Write the proportion equation
   1,205,598 : 1,641,819 = 1,641,819 : x
2. Step 2: Convert to fraction form
   1,205,598/1,641,819 = 1,641,819/x
3. Step 3: Cross multiply
   1,205,598x = 1,641,819 × 1,641,819
4. Step 4: Simplify right side
   1,205,598x = 2,695,569,628,761
5. Step 5: Solve for x
   x = 2,695,569,628,761/1,205,598
6. Step 6: Final answer
   x = 2,235,877.65