Finding the Third Proportional to 748,622 and 1,623,356

Step by Step Solution

1. Step 1: Write the proportion equation
   748,622 : 1,623,356 = 1,623,356 : x
2. Step 2: Convert to fraction form
   748,622/1,623,356 = 1,623,356/x
3. Step 3: Cross multiply
   748,622x = 1,623,356 × 1,623,356
4. Step 4: Simplify right side
   748,622x = 2,635,284,702,736
5. Step 5: Solve for x
   x = 2,635,284,702,736/748,622
6. Step 6: Final answer
   x = 3,520,180.68