Finding the Third Proportional to 590,960 and 865,479.50

Step by Step Solution

1. Step 1: Write the proportion equation
   590,960 : 865,479.50 = 865,479.50 : x
2. Step 2: Convert to fraction form
   590,960/865,479.50 = 865,479.50/x
3. Step 3: Cross multiply
   590,960x = 865,479.50 × 865,479.50
4. Step 4: Simplify right side
   590,960x = 749,054,764,920.25
5. Step 5: Solve for x
   x = 749,054,764,920.25/590,960
6. Step 6: Final answer
   x = 1,267,521.94