Finding the Third Proportional to 1,390,346 and 3,046,432

Step by Step Solution

1. Step 1: Write the proportion equation
   1,390,346 : 3,046,432 = 3,046,432 : x
2. Step 2: Convert to fraction form
   1,390,346/3,046,432 = 3,046,432/x
3. Step 3: Cross multiply
   1,390,346x = 3,046,432 × 3,046,432
4. Step 4: Simplify right side
   1,390,346x = 9,280,747,930,624
5. Step 5: Solve for x
   x = 9,280,747,930,624/1,390,346
6. Step 6: Final answer
   x = 6,675,135.49