Finding the Third Proportional to 581,340 and 1,298,736

Step by Step Solution

1. Step 1: Write the proportion equation
   581,340 : 1,298,736 = 1,298,736 : x
2. Step 2: Convert to fraction form
   581,340/1,298,736 = 1,298,736/x
3. Step 3: Cross multiply
   581,340x = 1,298,736 × 1,298,736
4. Step 4: Simplify right side
   581,340x = 1,686,715,197,696
5. Step 5: Solve for x
   x = 1,686,715,197,696/581,340
6. Step 6: Final answer
   x = 2,901,426.36