Finding the Third Proportional to 364,779 and 545,704.50

Step by Step Solution

1. Step 1: Write the proportion equation
   364,779 : 545,704.50 = 545,704.50 : x
2. Step 2: Convert to fraction form
   364,779/545,704.50 = 545,704.50/x
3. Step 3: Cross multiply
   364,779x = 545,704.50 × 545,704.50
4. Step 4: Simplify right side
   364,779x = 297,793,401,320.25
5. Step 5: Solve for x
   x = 297,793,401,320.25/364,779
6. Step 6: Final answer
   x = 816,366.63