Finding the Third Proportional to 748,676 and 1,623,460

Step by Step Solution

1. Step 1: Write the proportion equation
   748,676 : 1,623,460 = 1,623,460 : x
2. Step 2: Convert to fraction form
   748,676/1,623,460 = 1,623,460/x
3. Step 3: Cross multiply
   748,676x = 1,623,460 × 1,623,460
4. Step 4: Simplify right side
   748,676x = 2,635,622,371,600
5. Step 5: Solve for x
   x = 2,635,622,371,600/748,676
6. Step 6: Final answer
   x = 3,520,377.80