Finding the Third Proportional to 391,281 and 524,104.50

Step by Step Solution

1. Step 1: Write the proportion equation
   391,281 : 524,104.50 = 524,104.50 : x
2. Step 2: Convert to fraction form
   391,281/524,104.50 = 524,104.50/x
3. Step 3: Cross multiply
   391,281x = 524,104.50 × 524,104.50
4. Step 4: Simplify right side
   391,281x = 274,685,526,920.25
5. Step 5: Solve for x
   x = 274,685,526,920.25/391,281
6. Step 6: Final answer
   x = 702,016.01