Finding the Third Proportional to 734,644 and 1,521,195

Step by Step Solution

1. Step 1: Write the proportion equation
   734,644 : 1,521,195 = 1,521,195 : x
2. Step 2: Convert to fraction form
   734,644/1,521,195 = 1,521,195/x
3. Step 3: Cross multiply
   734,644x = 1,521,195 × 1,521,195
4. Step 4: Simplify right side
   734,644x = 2,314,034,228,025
5. Step 5: Solve for x
   x = 2,314,034,228,025/734,644
6. Step 6: Final answer
   x = 3,149,871.54