Finding the Third Proportional to 777,708 and 1,801,560

Step by Step Solution

1. Step 1: Write the proportion equation
   777,708 : 1,801,560 = 1,801,560 : x
2. Step 2: Convert to fraction form
   777,708/1,801,560 = 1,801,560/x
3. Step 3: Cross multiply
   777,708x = 1,801,560 × 1,801,560
4. Step 4: Simplify right side
   777,708x = 3,245,618,433,600
5. Step 5: Solve for x
   x = 3,245,618,433,600/777,708
6. Step 6: Final answer
   x = 4,173,312.39