Finding the Third Proportional to 720,144 and 1,567,248

Step by Step Solution

1. Step 1: Write the proportion equation
   720,144 : 1,567,248 = 1,567,248 : x
2. Step 2: Convert to fraction form
   720,144/1,567,248 = 1,567,248/x
3. Step 3: Cross multiply
   720,144x = 1,567,248 × 1,567,248
4. Step 4: Simplify right side
   720,144x = 2,456,266,293,504
5. Step 5: Solve for x
   x = 2,456,266,293,504/720,144
6. Step 6: Final answer
   x = 3,410,798.80