Finding the Third Proportional to 1,520,874 and 3,322,209

Step by Step Solution

1. Step 1: Write the proportion equation
   1,520,874 : 3,322,209 = 3,322,209 : x
2. Step 2: Convert to fraction form
   1,520,874/3,322,209 = 3,322,209/x
3. Step 3: Cross multiply
   1,520,874x = 3,322,209 × 3,322,209
4. Step 4: Simplify right side
   1,520,874x = 11,037,072,639,681
5. Step 5: Solve for x
   x = 11,037,072,639,681/1,520,874
6. Step 6: Final answer
   x = 7,257,059.19