Finding the Third Proportional to 748,838 and 1,615,764

Step by Step Solution

1. Step 1: Write the proportion equation
   748,838 : 1,615,764 = 1,615,764 : x
2. Step 2: Convert to fraction form
   748,838/1,615,764 = 1,615,764/x
3. Step 3: Cross multiply
   748,838x = 1,615,764 × 1,615,764
4. Step 4: Simplify right side
   748,838x = 2,610,693,303,696
5. Step 5: Solve for x
   x = 2,610,693,303,696/748,838
6. Step 6: Final answer
   x = 3,486,325.89