Finding the Third Proportional to 692,665 and 1,036,219

Step by Step Solution

1. Step 1: Write the proportion equation
   692,665 : 1,036,219 = 1,036,219 : x
2. Step 2: Convert to fraction form
   692,665/1,036,219 = 1,036,219/x
3. Step 3: Cross multiply
   692,665x = 1,036,219 × 1,036,219
4. Step 4: Simplify right side
   692,665x = 1,073,749,815,961
5. Step 5: Solve for x
   x = 1,073,749,815,961/692,665
6. Step 6: Final answer
   x = 1,550,171.90