Finding the Third Proportional to 648,872 and 1,008,219

Step by Step Solution

1. Step 1: Write the proportion equation
   648,872 : 1,008,219 = 1,008,219 : x
2. Step 2: Convert to fraction form
   648,872/1,008,219 = 1,008,219/x
3. Step 3: Cross multiply
   648,872x = 1,008,219 × 1,008,219
4. Step 4: Simplify right side
   648,872x = 1,016,505,551,961
5. Step 5: Solve for x
   x = 1,016,505,551,961/648,872
6. Step 6: Final answer
   x = 1,566,573.30