Finding the Third Proportional to 651,144 and 1,407,564

Step by Step Solution

1. Step 1: Write the proportion equation
   651,144 : 1,407,564 = 1,407,564 : x
2. Step 2: Convert to fraction form
   651,144/1,407,564 = 1,407,564/x
3. Step 3: Cross multiply
   651,144x = 1,407,564 × 1,407,564
4. Step 4: Simplify right side
   651,144x = 1,981,236,414,096
5. Step 5: Solve for x
   x = 1,981,236,414,096/651,144
6. Step 6: Final answer
   x = 3,042,700.87