Finding the Third Proportional to 354,433.50 and 777,760.88

Step by Step Solution

1. Step 1: Write the proportion equation
   354,433.50 : 777,760.88 = 777,760.88 : x
2. Step 2: Convert to fraction form
   354,433.50/777,760.88 = 777,760.88/x
3. Step 3: Cross multiply
   354,433.50x = 777,760.88 × 777,760.88
4. Step 4: Simplify right side
   354,433.50x = 604,911,978,680.77
5. Step 5: Solve for x
   x = 604,911,978,680.77/354,433.50
6. Step 6: Final answer
   x = 1,706,700.91