Finding the Third Proportional to 252,436.50 and 552,393

Step by Step Solution

1. Step 1: Write the proportion equation
   252,436.50 : 552,393 = 552,393 : x
2. Step 2: Convert to fraction form
   252,436.50/552,393 = 552,393/x
3. Step 3: Cross multiply
   252,436.50x = 552,393 × 552,393
4. Step 4: Simplify right side
   252,436.50x = 305,138,026,449
5. Step 5: Solve for x
   x = 305,138,026,449/252,436.50
6. Step 6: Final answer
   x = 1,208,771.42