Finding the Third Proportional to 692,972 and 1,036,631

Step by Step Solution

1. Step 1: Write the proportion equation
   692,972 : 1,036,631 = 1,036,631 : x
2. Step 2: Convert to fraction form
   692,972/1,036,631 = 1,036,631/x
3. Step 3: Cross multiply
   692,972x = 1,036,631 × 1,036,631
4. Step 4: Simplify right side
   692,972x = 1,074,603,830,161
5. Step 5: Solve for x
   x = 1,074,603,830,161/692,972
6. Step 6: Final answer
   x = 1,550,717.53