Finding the Third Proportional to 612,574 and 1,297,884

Step by Step Solution

1. Step 1: Write the proportion equation
   612,574 : 1,297,884 = 1,297,884 : x
2. Step 2: Convert to fraction form
   612,574/1,297,884 = 1,297,884/x
3. Step 3: Cross multiply
   612,574x = 1,297,884 × 1,297,884
4. Step 4: Simplify right side
   612,574x = 1,684,502,877,456
5. Step 5: Solve for x
   x = 1,684,502,877,456/612,574
6. Step 6: Final answer
   x = 2,749,876.55