Finding the Third Proportional to 682,480 and 1,070,516

Step by Step Solution

1. Step 1: Write the proportion equation
   682,480 : 1,070,516 = 1,070,516 : x
2. Step 2: Convert to fraction form
   682,480/1,070,516 = 1,070,516/x
3. Step 3: Cross multiply
   682,480x = 1,070,516 × 1,070,516
4. Step 4: Simplify right side
   682,480x = 1,146,004,506,256
5. Step 5: Solve for x
   x = 1,146,004,506,256/682,480
6. Step 6: Final answer
   x = 1,679,176.69