Finding the Third Proportional to 720,407 and 1,567,662

Step by Step Solution

1. Step 1: Write the proportion equation
   720,407 : 1,567,662 = 1,567,662 : x
2. Step 2: Convert to fraction form
   720,407/1,567,662 = 1,567,662/x
3. Step 3: Cross multiply
   720,407x = 1,567,662 × 1,567,662
4. Step 4: Simplify right side
   720,407x = 2,457,564,146,244
5. Step 5: Solve for x
   x = 2,457,564,146,244/720,407
6. Step 6: Final answer
   x = 3,411,355.17