Finding the Third Proportional to 648,512 and 1,036,015

Step by Step Solution

1. Step 1: Write the proportion equation
   648,512 : 1,036,015 = 1,036,015 : x
2. Step 2: Convert to fraction form
   648,512/1,036,015 = 1,036,015/x
3. Step 3: Cross multiply
   648,512x = 1,036,015 × 1,036,015
4. Step 4: Simplify right side
   648,512x = 1,073,327,080,225
5. Step 5: Solve for x
   x = 1,073,327,080,225/648,512
6. Step 6: Final answer
   x = 1,655,061.25