Finding the Third Proportional to 748,818 and 1,615,732

Step by Step Solution

1. Step 1: Write the proportion equation
   748,818 : 1,615,732 = 1,615,732 : x
2. Step 2: Convert to fraction form
   748,818/1,615,732 = 1,615,732/x
3. Step 3: Cross multiply
   748,818x = 1,615,732 × 1,615,732
4. Step 4: Simplify right side
   748,818x = 2,610,589,895,824
5. Step 5: Solve for x
   x = 2,610,589,895,824/748,818
6. Step 6: Final answer
   x = 3,486,280.91