Finding the Third Proportional to 1,144,345 and 1,681,485

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,345 : 1,681,485 = 1,681,485 : x
2. Step 2: Convert to fraction form
   1,144,345/1,681,485 = 1,681,485/x
3. Step 3: Cross multiply
   1,144,345x = 1,681,485 × 1,681,485
4. Step 4: Simplify right side
   1,144,345x = 2,827,391,805,225
5. Step 5: Solve for x
   x = 2,827,391,805,225/1,144,345
6. Step 6: Final answer
   x = 2,470,751.22