Finding the Third Proportional to 1,640,240 and 2,208,092

Step by Step Solution

1. Step 1: Write the proportion equation
   1,640,240 : 2,208,092 = 2,208,092 : x
2. Step 2: Convert to fraction form
   1,640,240/2,208,092 = 2,208,092/x
3. Step 3: Cross multiply
   1,640,240x = 2,208,092 × 2,208,092
4. Step 4: Simplify right side
   1,640,240x = 4,875,670,280,464
5. Step 5: Solve for x
   x = 4,875,670,280,464/1,640,240
6. Step 6: Final answer
   x = 2,972,534.68