Finding the Third Proportional to 581,256 and 1,254,240

Step by Step Solution

1. Step 1: Write the proportion equation
   581,256 : 1,254,240 = 1,254,240 : x
2. Step 2: Convert to fraction form
   581,256/1,254,240 = 1,254,240/x
3. Step 3: Cross multiply
   581,256x = 1,254,240 × 1,254,240
4. Step 4: Simplify right side
   581,256x = 1,573,117,977,600
5. Step 5: Solve for x
   x = 1,573,117,977,600/581,256
6. Step 6: Final answer
   x = 2,706,411.59