Finding the Third Proportional to 221,760.50 and 347,476

Step by Step Solution

1. Step 1: Write the proportion equation
   221,760.50 : 347,476 = 347,476 : x
2. Step 2: Convert to fraction form
   221,760.50/347,476 = 347,476/x
3. Step 3: Cross multiply
   221,760.50x = 347,476 × 347,476
4. Step 4: Simplify right side
   221,760.50x = 120,739,570,576
5. Step 5: Solve for x
   x = 120,739,570,576/221,760.50
6. Step 6: Final answer
   x = 544,459.32