Finding the Third Proportional to 1,240,572 and 1,967,628

Step by Step Solution

1. Step 1: Write the proportion equation
   1,240,572 : 1,967,628 = 1,967,628 : x
2. Step 2: Convert to fraction form
   1,240,572/1,967,628 = 1,967,628/x
3. Step 3: Cross multiply
   1,240,572x = 1,967,628 × 1,967,628
4. Step 4: Simplify right side
   1,240,572x = 3,871,559,946,384
5. Step 5: Solve for x
   x = 3,871,559,946,384/1,240,572
6. Step 6: Final answer
   x = 3,120,786.17