Finding the Third Proportional to 221,674.69 and 343,947.94

Step by Step Solution

1. Step 1: Write the proportion equation
   221,674.69 : 343,947.94 = 343,947.94 : x
2. Step 2: Convert to fraction form
   221,674.69/343,947.94 = 343,947.94/x
3. Step 3: Cross multiply
   221,674.69x = 343,947.94 × 343,947.94
4. Step 4: Simplify right side
   221,674.69x = 118,300,183,710.50
5. Step 5: Solve for x
   x = 118,300,183,710.50/221,674.69
6. Step 6: Final answer
   x = 533,665.73