Finding the Third Proportional to 392,048 and 552,100.50

Step by Step Solution

1. Step 1: Write the proportion equation
   392,048 : 552,100.50 = 552,100.50 : x
2. Step 2: Convert to fraction form
   392,048/552,100.50 = 552,100.50/x
3. Step 3: Cross multiply
   392,048x = 552,100.50 × 552,100.50
4. Step 4: Simplify right side
   392,048x = 304,814,962,100.25
5. Step 5: Solve for x
   x = 304,814,962,100.25/392,048
6. Step 6: Final answer
   x = 777,493.99