Finding the Third Proportional to 812,544 and 1,760,688

Step by Step Solution

1. Step 1: Write the proportion equation
   812,544 : 1,760,688 = 1,760,688 : x
2. Step 2: Convert to fraction form
   812,544/1,760,688 = 1,760,688/x
3. Step 3: Cross multiply
   812,544x = 1,760,688 × 1,760,688
4. Step 4: Simplify right side
   812,544x = 3,100,022,233,344
5. Step 5: Solve for x
   x = 3,100,022,233,344/812,544
6. Step 6: Final answer
   x = 3,815,205.37