Finding the Third Proportional to 612,572 and 1,297,880

Step by Step Solution

1. Step 1: Write the proportion equation
   612,572 : 1,297,880 = 1,297,880 : x
2. Step 2: Convert to fraction form
   612,572/1,297,880 = 1,297,880/x
3. Step 3: Cross multiply
   612,572x = 1,297,880 × 1,297,880
4. Step 4: Simplify right side
   612,572x = 1,684,492,494,400
5. Step 5: Solve for x
   x = 1,684,492,494,400/612,572
6. Step 6: Final answer
   x = 2,749,868.58