Finding the Third Proportional to 812,457 and 1,760,508

Step by Step Solution

1. Step 1: Write the proportion equation
   812,457 : 1,760,508 = 1,760,508 : x
2. Step 2: Convert to fraction form
   812,457/1,760,508 = 1,760,508/x
3. Step 3: Cross multiply
   812,457x = 1,760,508 × 1,760,508
4. Step 4: Simplify right side
   812,457x = 3,099,388,418,064
5. Step 5: Solve for x
   x = 3,099,388,418,064/812,457
6. Step 6: Final answer
   x = 3,814,833.79