Finding the Third Proportional to 1,144,645 and 1,554,580

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,645 : 1,554,580 = 1,554,580 : x
2. Step 2: Convert to fraction form
   1,144,645/1,554,580 = 1,554,580/x
3. Step 3: Cross multiply
   1,144,645x = 1,554,580 × 1,554,580
4. Step 4: Simplify right side
   1,144,645x = 2,416,718,976,400
5. Step 5: Solve for x
   x = 2,416,718,976,400/1,144,645
6. Step 6: Final answer
   x = 2,111,326.20