Finding the Third Proportional to 812,461 and 1,760,515

Step by Step Solution

1. Step 1: Write the proportion equation
   812,461 : 1,760,515 = 1,760,515 : x
2. Step 2: Convert to fraction form
   812,461/1,760,515 = 1,760,515/x
3. Step 3: Cross multiply
   812,461x = 1,760,515 × 1,760,515
4. Step 4: Simplify right side
   812,461x = 3,099,413,065,225
5. Step 5: Solve for x
   x = 3,099,413,065,225/812,461
6. Step 6: Final answer
   x = 3,814,845.35