Finding the Third Proportional to 3,746,476 and 5,578,228

Step by Step Solution

1. Step 1: Write the proportion equation
   3,746,476 : 5,578,228 = 5,578,228 : x
2. Step 2: Convert to fraction form
   3,746,476/5,578,228 = 5,578,228/x
3. Step 3: Cross multiply
   3,746,476x = 5,578,228 × 5,578,228
4. Step 4: Simplify right side
   3,746,476x = 31,116,627,619,984
5. Step 5: Solve for x
   x = 31,116,627,619,984/3,746,476
6. Step 6: Final answer
   x = 8,305,572.39