Finding the Third Proportional to 1,605,490 and 2,201,558

Step by Step Solution

1. Step 1: Write the proportion equation
   1,605,490 : 2,201,558 = 2,201,558 : x
2. Step 2: Convert to fraction form
   1,605,490/2,201,558 = 2,201,558/x
3. Step 3: Cross multiply
   1,605,490x = 2,201,558 × 2,201,558
4. Step 4: Simplify right side
   1,605,490x = 4,846,857,627,364
5. Step 5: Solve for x
   x = 4,846,857,627,364/1,605,490
6. Step 6: Final answer
   x = 3,018,927.32