Finding the Third Proportional to 1,390,344 and 3,046,428

Step by Step Solution

1. Step 1: Write the proportion equation
   1,390,344 : 3,046,428 = 3,046,428 : x
2. Step 2: Convert to fraction form
   1,390,344/3,046,428 = 3,046,428/x
3. Step 3: Cross multiply
   1,390,344x = 3,046,428 × 3,046,428
4. Step 4: Simplify right side
   1,390,344x = 9,280,723,559,184
5. Step 5: Solve for x
   x = 9,280,723,559,184/1,390,344
6. Step 6: Final answer
   x = 6,675,127.56