Finding the Third Proportional to 812,208 and 1,262,610

Step by Step Solution

1. Step 1: Write the proportion equation
   812,208 : 1,262,610 = 1,262,610 : x
2. Step 2: Convert to fraction form
   812,208/1,262,610 = 1,262,610/x
3. Step 3: Cross multiply
   812,208x = 1,262,610 × 1,262,610
4. Step 4: Simplify right side
   812,208x = 1,594,184,012,100
5. Step 5: Solve for x
   x = 1,594,184,012,100/812,208
6. Step 6: Final answer
   x = 1,962,778.02