Finding the Third Proportional to 365,672 and 552,404

Step by Step Solution

1. Step 1: Write the proportion equation
   365,672 : 552,404 = 552,404 : x
2. Step 2: Convert to fraction form
   365,672/552,404 = 552,404/x
3. Step 3: Cross multiply
   365,672x = 552,404 × 552,404
4. Step 4: Simplify right side
   365,672x = 305,150,179,216
5. Step 5: Solve for x
   x = 305,150,179,216/365,672
6. Step 6: Final answer
   x = 834,491.51