Finding the Third Proportional to 489,510 and 1,037,745

Step by Step Solution

1. Step 1: Write the proportion equation
   489,510 : 1,037,745 = 1,037,745 : x
2. Step 2: Convert to fraction form
   489,510/1,037,745 = 1,037,745/x
3. Step 3: Cross multiply
   489,510x = 1,037,745 × 1,037,745
4. Step 4: Simplify right side
   489,510x = 1,076,914,685,025
5. Step 5: Solve for x
   x = 1,076,914,685,025/489,510
6. Step 6: Final answer
   x = 2,199,985.06