Finding the Third Proportional to 3,290,288 and 4,482,456

Step by Step Solution

1. Step 1: Write the proportion equation
   3,290,288 : 4,482,456 = 4,482,456 : x
2. Step 2: Convert to fraction form
   3,290,288/4,482,456 = 4,482,456/x
3. Step 3: Cross multiply
   3,290,288x = 4,482,456 × 4,482,456
4. Step 4: Simplify right side
   3,290,288x = 20,092,411,791,936
5. Step 5: Solve for x
   x = 20,092,411,791,936/3,290,288
6. Step 6: Final answer
   x = 6,106,581.49