Finding the Third Proportional to 776,524 and 1,590,688

Step by Step Solution

1. Step 1: Write the proportion equation
   776,524 : 1,590,688 = 1,590,688 : x
2. Step 2: Convert to fraction form
   776,524/1,590,688 = 1,590,688/x
3. Step 3: Cross multiply
   776,524x = 1,590,688 × 1,590,688
4. Step 4: Simplify right side
   776,524x = 2,530,288,313,344
5. Step 5: Solve for x
   x = 2,530,288,313,344/776,524
6. Step 6: Final answer
   x = 3,258,480.50