Finding the Third Proportional to 633,566 and 1,378,667

Step by Step Solution

1. Step 1: Write the proportion equation
   633,566 : 1,378,667 = 1,378,667 : x
2. Step 2: Convert to fraction form
   633,566/1,378,667 = 1,378,667/x
3. Step 3: Cross multiply
   633,566x = 1,378,667 × 1,378,667
4. Step 4: Simplify right side
   633,566x = 1,900,722,696,889
5. Step 5: Solve for x
   x = 1,900,722,696,889/633,566
6. Step 6: Final answer
   x = 3,000,038.98