Finding the Third Proportional to 340,203 and 708,391.50

Step by Step Solution

1. Step 1: Write the proportion equation
   340,203 : 708,391.50 = 708,391.50 : x
2. Step 2: Convert to fraction form
   340,203/708,391.50 = 708,391.50/x
3. Step 3: Cross multiply
   340,203x = 708,391.50 × 708,391.50
4. Step 4: Simplify right side
   340,203x = 501,818,517,272.25
5. Step 5: Solve for x
   x = 501,818,517,272.25/340,203
6. Step 6: Final answer
   x = 1,475,056.12