Finding the Third Proportional to 1,644,188 and 2,582,840

Step by Step Solution

1. Step 1: Write the proportion equation
   1,644,188 : 2,582,840 = 2,582,840 : x
2. Step 2: Convert to fraction form
   1,644,188/2,582,840 = 2,582,840/x
3. Step 3: Cross multiply
   1,644,188x = 2,582,840 × 2,582,840
4. Step 4: Simplify right side
   1,644,188x = 6,671,062,465,600
5. Step 5: Solve for x
   x = 6,671,062,465,600/1,644,188
6. Step 6: Final answer
   x = 4,057,359.90