Finding the Third Proportional to 3,788,481 and 8,310,366

Step by Step Solution

1. Step 1: Write the proportion equation
   3,788,481 : 8,310,366 = 8,310,366 : x
2. Step 2: Convert to fraction form
   3,788,481/8,310,366 = 8,310,366/x
3. Step 3: Cross multiply
   3,788,481x = 8,310,366 × 8,310,366
4. Step 4: Simplify right side
   3,788,481x = 69,062,183,053,956
5. Step 5: Solve for x
   x = 69,062,183,053,956/3,788,481
6. Step 6: Final answer
   x = 18,229,518.12