Finding the Third Proportional to 748,956 and 1,638,036

Step by Step Solution

1. Step 1: Write the proportion equation
   748,956 : 1,638,036 = 1,638,036 : x
2. Step 2: Convert to fraction form
   748,956/1,638,036 = 1,638,036/x
3. Step 3: Cross multiply
   748,956x = 1,638,036 × 1,638,036
4. Step 4: Simplify right side
   748,956x = 2,683,161,937,296
5. Step 5: Solve for x
   x = 2,683,161,937,296/748,956
6. Step 6: Final answer
   x = 3,582,536.14