Finding the Third Proportional to 748,624 and 1,623,360

Step by Step Solution

1. Step 1: Write the proportion equation
   748,624 : 1,623,360 = 1,623,360 : x
2. Step 2: Convert to fraction form
   748,624/1,623,360 = 1,623,360/x
3. Step 3: Cross multiply
   748,624x = 1,623,360 × 1,623,360
4. Step 4: Simplify right side
   748,624x = 2,635,297,689,600
5. Step 5: Solve for x
   x = 2,635,297,689,600/748,624
6. Step 6: Final answer
   x = 3,520,188.63