Finding the Third Proportional to 1,520,321 and 3,305,260

Step by Step Solution

1. Step 1: Write the proportion equation
   1,520,321 : 3,305,260 = 3,305,260 : x
2. Step 2: Convert to fraction form
   1,520,321/3,305,260 = 3,305,260/x
3. Step 3: Cross multiply
   1,520,321x = 3,305,260 × 3,305,260
4. Step 4: Simplify right side
   1,520,321x = 10,924,743,667,600
5. Step 5: Solve for x
   x = 10,924,743,667,600/1,520,321
6. Step 6: Final answer
   x = 7,185,813.83