Finding the Third Proportional to 340,992 and 717,340.50

Step by Step Solution

1. Step 1: Write the proportion equation
   340,992 : 717,340.50 = 717,340.50 : x
2. Step 2: Convert to fraction form
   340,992/717,340.50 = 717,340.50/x
3. Step 3: Cross multiply
   340,992x = 717,340.50 × 717,340.50
4. Step 4: Simplify right side
   340,992x = 514,577,392,940.25
5. Step 5: Solve for x
   x = 514,577,392,940.25/340,992
6. Step 6: Final answer
   x = 1,509,060.02