Finding the Third Proportional to 361,662.75 and 777,760.88

Step by Step Solution

1. Step 1: Write the proportion equation
   361,662.75 : 777,760.88 = 777,760.88 : x
2. Step 2: Convert to fraction form
   361,662.75/777,760.88 = 777,760.88/x
3. Step 3: Cross multiply
   361,662.75x = 777,760.88 × 777,760.88
4. Step 4: Simplify right side
   361,662.75x = 604,911,978,680.77
5. Step 5: Solve for x
   x = 604,911,978,680.77/361,662.75
6. Step 6: Final answer
   x = 1,672,585.80