Finding the Third Proportional to 1,456,387 and 3,168,409

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456,387 : 3,168,409 = 3,168,409 : x
2. Step 2: Convert to fraction form
   1,456,387/3,168,409 = 3,168,409/x
3. Step 3: Cross multiply
   1,456,387x = 3,168,409 × 3,168,409
4. Step 4: Simplify right side
   1,456,387x = 10,038,815,591,281
5. Step 5: Solve for x
   x = 10,038,815,591,281/1,456,387
6. Step 6: Final answer
   x = 6,892,958.80