Finding the Third Proportional to 787,672 and 1,222,009

Step by Step Solution

1. Step 1: Write the proportion equation
   787,672 : 1,222,009 = 1,222,009 : x
2. Step 2: Convert to fraction form
   787,672/1,222,009 = 1,222,009/x
3. Step 3: Cross multiply
   787,672x = 1,222,009 × 1,222,009
4. Step 4: Simplify right side
   787,672x = 1,493,305,996,081
5. Step 5: Solve for x
   x = 1,493,305,996,081/787,672
6. Step 6: Final answer
   x = 1,895,847.51