Finding the Third Proportional to 633,565 and 1,378,665

Step by Step Solution

1. Step 1: Write the proportion equation
   633,565 : 1,378,665 = 1,378,665 : x
2. Step 2: Convert to fraction form
   633,565/1,378,665 = 1,378,665/x
3. Step 3: Cross multiply
   633,565x = 1,378,665 × 1,378,665
4. Step 4: Simplify right side
   633,565x = 1,900,717,182,225
5. Step 5: Solve for x
   x = 1,900,717,182,225/633,565
6. Step 6: Final answer
   x = 3,000,035.01