Finding the Third Proportional to 648,503 and 1,035,990

Step by Step Solution

1. Step 1: Write the proportion equation
   648,503 : 1,035,990 = 1,035,990 : x
2. Step 2: Convert to fraction form
   648,503/1,035,990 = 1,035,990/x
3. Step 3: Cross multiply
   648,503x = 1,035,990 × 1,035,990
4. Step 4: Simplify right side
   648,503x = 1,073,275,280,100
5. Step 5: Solve for x
   x = 1,073,275,280,100/648,503
6. Step 6: Final answer
   x = 1,655,004.34