Finding the Third Proportional to 343,455 and 746,050.50

Step by Step Solution

1. Step 1: Write the proportion equation
   343,455 : 746,050.50 = 746,050.50 : x
2. Step 2: Convert to fraction form
   343,455/746,050.50 = 746,050.50/x
3. Step 3: Cross multiply
   343,455x = 746,050.50 × 746,050.50
4. Step 4: Simplify right side
   343,455x = 556,591,348,550.25
5. Step 5: Solve for x
   x = 556,591,348,550.25/343,455
6. Step 6: Final answer
   x = 1,620,565.57