Finding the Third Proportional to 1,098,036 and 1,640,588

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098,036 : 1,640,588 = 1,640,588 : x
2. Step 2: Convert to fraction form
   1,098,036/1,640,588 = 1,640,588/x
3. Step 3: Cross multiply
   1,098,036x = 1,640,588 × 1,640,588
4. Step 4: Simplify right side
   1,098,036x = 2,691,528,985,744
5. Step 5: Solve for x
   x = 2,691,528,985,744/1,098,036
6. Step 6: Final answer
   x = 2,451,221.08