Finding the Third Proportional to 1,438,902 and 3,108,342

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,902 : 3,108,342 = 3,108,342 : x
2. Step 2: Convert to fraction form
   1,438,902/3,108,342 = 3,108,342/x
3. Step 3: Cross multiply
   1,438,902x = 3,108,342 × 3,108,342
4. Step 4: Simplify right side
   1,438,902x = 9,661,789,988,964
5. Step 5: Solve for x
   x = 9,661,789,988,964/1,438,902
6. Step 6: Final answer
   x = 6,714,696.34