Finding the Third Proportional to 646,770 and 1,004,322

Step by Step Solution

1. Step 1: Write the proportion equation
   646,770 : 1,004,322 = 1,004,322 : x
2. Step 2: Convert to fraction form
   646,770/1,004,322 = 1,004,322/x
3. Step 3: Cross multiply
   646,770x = 1,004,322 × 1,004,322
4. Step 4: Simplify right side
   646,770x = 1,008,662,679,684
5. Step 5: Solve for x
   x = 1,008,662,679,684/646,770
6. Step 6: Final answer
   x = 1,559,538.44