Finding the Third Proportional to 1,390,347 and 3,046,434

Step by Step Solution

1. Step 1: Write the proportion equation
   1,390,347 : 3,046,434 = 3,046,434 : x
2. Step 2: Convert to fraction form
   1,390,347/3,046,434 = 3,046,434/x
3. Step 3: Cross multiply
   1,390,347x = 3,046,434 × 3,046,434
4. Step 4: Simplify right side
   1,390,347x = 9,280,760,116,356
5. Step 5: Solve for x
   x = 9,280,760,116,356/1,390,347
6. Step 6: Final answer
   x = 6,675,139.46