Finding the Third Proportional to 812,205 and 1,262,605

Step by Step Solution

1. Step 1: Write the proportion equation
   812,205 : 1,262,605 = 1,262,605 : x
2. Step 2: Convert to fraction form
   812,205/1,262,605 = 1,262,605/x
3. Step 3: Cross multiply
   812,205x = 1,262,605 × 1,262,605
4. Step 4: Simplify right side
   812,205x = 1,594,171,386,025
5. Step 5: Solve for x
   x = 1,594,171,386,025/812,205
6. Step 6: Final answer
   x = 1,962,769.73