Finding the Third Proportional to 343,794 and 746,752.50

Step by Step Solution

1. Step 1: Write the proportion equation
   343,794 : 746,752.50 = 746,752.50 : x
2. Step 2: Convert to fraction form
   343,794/746,752.50 = 746,752.50/x
3. Step 3: Cross multiply
   343,794x = 746,752.50 × 746,752.50
4. Step 4: Simplify right side
   343,794x = 557,639,296,256.25
5. Step 5: Solve for x
   x = 557,639,296,256.25/343,794
6. Step 6: Final answer
   x = 1,622,015.79