Finding the Third Proportional to 297,729 and 580,423.50

Step by Step Solution

1. Step 1: Write the proportion equation
   297,729 : 580,423.50 = 580,423.50 : x
2. Step 2: Convert to fraction form
   297,729/580,423.50 = 580,423.50/x
3. Step 3: Cross multiply
   297,729x = 580,423.50 × 580,423.50
4. Step 4: Simplify right side
   297,729x = 336,891,439,352.25
5. Step 5: Solve for x
   x = 336,891,439,352.25/297,729
6. Step 6: Final answer
   x = 1,131,537.20