Finding the Third Proportional to 359,059.50 and 546,049.69

Step by Step Solution

1. Step 1: Write the proportion equation
   359,059.50 : 546,049.69 = 546,049.69 : x
2. Step 2: Convert to fraction form
   359,059.50/546,049.69 = 546,049.69/x
3. Step 3: Cross multiply
   359,059.50x = 546,049.69 × 546,049.69
4. Step 4: Simplify right side
   359,059.50x = 298,170,261,218.85
5. Step 5: Solve for x
   x = 298,170,261,218.85/359,059.50
6. Step 6: Final answer
   x = 830,420.20