Finding the Third Proportional to 581,467.50 and 853,065

Step by Step Solution

1. Step 1: Write the proportion equation
   581,467.50 : 853,065 = 853,065 : x
2. Step 2: Convert to fraction form
   581,467.50/853,065 = 853,065/x
3. Step 3: Cross multiply
   581,467.50x = 853,065 × 853,065
4. Step 4: Simplify right side
   581,467.50x = 727,719,894,225
5. Step 5: Solve for x
   x = 727,719,894,225/581,467.50
6. Step 6: Final answer
   x = 1,251,522.90