Finding the Third Proportional to 385,985.25 and 850,500

Step by Step Solution

1. Step 1: Write the proportion equation
   385,985.25 : 850,500 = 850,500 : x
2. Step 2: Convert to fraction form
   385,985.25/850,500 = 850,500/x
3. Step 3: Cross multiply
   385,985.25x = 850,500 × 850,500
4. Step 4: Simplify right side
   385,985.25x = 723,350,250,000
5. Step 5: Solve for x
   x = 723,350,250,000/385,985.25
6. Step 6: Final answer
   x = 1,874,035.99