Finding the Third Proportional to 671,458 and 1,041,224

Step by Step Solution

1. Step 1: Write the proportion equation
   671,458 : 1,041,224 = 1,041,224 : x
2. Step 2: Convert to fraction form
   671,458/1,041,224 = 1,041,224/x
3. Step 3: Cross multiply
   671,458x = 1,041,224 × 1,041,224
4. Step 4: Simplify right side
   671,458x = 1,084,147,418,176
5. Step 5: Solve for x
   x = 1,084,147,418,176/671,458
6. Step 6: Final answer
   x = 1,614,616.88