Finding the Third Proportional to 1,291,320 and 1,637,306

Step by Step Solution

1. Step 1: Write the proportion equation
   1,291,320 : 1,637,306 = 1,637,306 : x
2. Step 2: Convert to fraction form
   1,291,320/1,637,306 = 1,637,306/x
3. Step 3: Cross multiply
   1,291,320x = 1,637,306 × 1,637,306
4. Step 4: Simplify right side
   1,291,320x = 2,680,770,937,636
5. Step 5: Solve for x
   x = 2,680,770,937,636/1,291,320
6. Step 6: Final answer
   x = 2,075,992.73