Finding the Third Proportional to 720,156 and 1,567,272

Step by Step Solution

1. Step 1: Write the proportion equation
   720,156 : 1,567,272 = 1,567,272 : x
2. Step 2: Convert to fraction form
   720,156/1,567,272 = 1,567,272/x
3. Step 3: Cross multiply
   720,156x = 1,567,272 × 1,567,272
4. Step 4: Simplify right side
   720,156x = 2,456,341,521,984
5. Step 5: Solve for x
   x = 2,456,341,521,984/720,156
6. Step 6: Final answer
   x = 3,410,846.43