Finding the Third Proportional to 407,817 and 599,825.50

Step by Step Solution

1. Step 1: Write the proportion equation
   407,817 : 599,825.50 = 599,825.50 : x
2. Step 2: Convert to fraction form
   407,817/599,825.50 = 599,825.50/x
3. Step 3: Cross multiply
   407,817x = 599,825.50 × 599,825.50
4. Step 4: Simplify right side
   407,817x = 359,790,630,450.25
5. Step 5: Solve for x
   x = 359,790,630,450.25/407,817
6. Step 6: Final answer
   x = 882,235.49