Finding the Third Proportional to 692,666 and 1,036,211

Step by Step Solution

1. Step 1: Write the proportion equation
   692,666 : 1,036,211 = 1,036,211 : x
2. Step 2: Convert to fraction form
   692,666/1,036,211 = 1,036,211/x
3. Step 3: Cross multiply
   692,666x = 1,036,211 × 1,036,211
4. Step 4: Simplify right side
   692,666x = 1,073,733,236,521
5. Step 5: Solve for x
   x = 1,073,733,236,521/692,666
6. Step 6: Final answer
   x = 1,550,145.72