Finding the Third Proportional to 1,520,878 and 3,322,217

Step by Step Solution

1. Step 1: Write the proportion equation
   1,520,878 : 3,322,217 = 3,322,217 : x
2. Step 2: Convert to fraction form
   1,520,878/3,322,217 = 3,322,217/x
3. Step 3: Cross multiply
   1,520,878x = 3,322,217 × 3,322,217
4. Step 4: Simplify right side
   1,520,878x = 11,037,125,795,089
5. Step 5: Solve for x
   x = 11,037,125,795,089/1,520,878
6. Step 6: Final answer
   x = 7,257,075.05