Finding the Third Proportional to 638,802 and 1,064,667

Step by Step Solution

1. Step 1: Write the proportion equation
   638,802 : 1,064,667 = 1,064,667 : x
2. Step 2: Convert to fraction form
   638,802/1,064,667 = 1,064,667/x
3. Step 3: Cross multiply
   638,802x = 1,064,667 × 1,064,667
4. Step 4: Simplify right side
   638,802x = 1,133,515,820,889
5. Step 5: Solve for x
   x = 1,133,515,820,889/638,802
6. Step 6: Final answer
   x = 1,774,440.00