Finding the Third Proportional to 724,648 and 1,064,814

Step by Step Solution

1. Step 1: Write the proportion equation
   724,648 : 1,064,814 = 1,064,814 : x
2. Step 2: Convert to fraction form
   724,648/1,064,814 = 1,064,814/x
3. Step 3: Cross multiply
   724,648x = 1,064,814 × 1,064,814
4. Step 4: Simplify right side
   724,648x = 1,133,828,854,596
5. Step 5: Solve for x
   x = 1,133,828,854,596/724,648
6. Step 6: Final answer
   x = 1,564,661.54