Finding the Third Proportional to 692,664 and 1,036,208

Step by Step Solution

1. Step 1: Write the proportion equation
   692,664 : 1,036,208 = 1,036,208 : x
2. Step 2: Convert to fraction form
   692,664/1,036,208 = 1,036,208/x
3. Step 3: Cross multiply
   692,664x = 1,036,208 × 1,036,208
4. Step 4: Simplify right side
   692,664x = 1,073,727,019,264
5. Step 5: Solve for x
   x = 1,073,727,019,264/692,664
6. Step 6: Final answer
   x = 1,550,141.22