Finding the Third Proportional to 692,576 and 1,038,864

Step by Step Solution

1. Step 1: Write the proportion equation
   692,576 : 1,038,864 = 1,038,864 : x
2. Step 2: Convert to fraction form
   692,576/1,038,864 = 1,038,864/x
3. Step 3: Cross multiply
   692,576x = 1,038,864 × 1,038,864
4. Step 4: Simplify right side
   692,576x = 1,079,238,410,496
5. Step 5: Solve for x
   x = 1,079,238,410,496/692,576
6. Step 6: Final answer
   x = 1,558,296