Finding the Third Proportional to 748,836 and 1,615,760

Step by Step Solution

1. Step 1: Write the proportion equation
   748,836 : 1,615,760 = 1,615,760 : x
2. Step 2: Convert to fraction form
   748,836/1,615,760 = 1,615,760/x
3. Step 3: Cross multiply
   748,836x = 1,615,760 × 1,615,760
4. Step 4: Simplify right side
   748,836x = 2,610,680,377,600
5. Step 5: Solve for x
   x = 2,610,680,377,600/748,836
6. Step 6: Final answer
   x = 3,486,317.94