Finding the Third Proportional to 612,570 and 1,297,876

Step by Step Solution

1. Step 1: Write the proportion equation
   612,570 : 1,297,876 = 1,297,876 : x
2. Step 2: Convert to fraction form
   612,570/1,297,876 = 1,297,876/x
3. Step 3: Cross multiply
   612,570x = 1,297,876 × 1,297,876
4. Step 4: Simplify right side
   612,570x = 1,684,482,111,376
5. Step 5: Solve for x
   x = 1,684,482,111,376/612,570
6. Step 6: Final answer
   x = 2,749,860.61