Finding the Third Proportional to 392,134.50 and 552,204

Step by Step Solution

1. Step 1: Write the proportion equation
   392,134.50 : 552,204 = 552,204 : x
2. Step 2: Convert to fraction form
   392,134.50/552,204 = 552,204/x
3. Step 3: Cross multiply
   392,134.50x = 552,204 × 552,204
4. Step 4: Simplify right side
   392,134.50x = 304,929,257,616
5. Step 5: Solve for x
   x = 304,929,257,616/392,134.50
6. Step 6: Final answer
   x = 777,613.95