Finding the Third Proportional to 1,520,880 and 3,322,221

Step by Step Solution

1. Step 1: Write the proportion equation
   1,520,880 : 3,322,221 = 3,322,221 : x
2. Step 2: Convert to fraction form
   1,520,880/3,322,221 = 3,322,221/x
3. Step 3: Cross multiply
   1,520,880x = 3,322,221 × 3,322,221
4. Step 4: Simplify right side
   1,520,880x = 11,037,152,372,841
5. Step 5: Solve for x
   x = 11,037,152,372,841/1,520,880
6. Step 6: Final answer
   x = 7,257,082.99