Finding the Third Proportional to 1,520,289 and 3,305,196

Step by Step Solution

1. Step 1: Write the proportion equation
   1,520,289 : 3,305,196 = 3,305,196 : x
2. Step 2: Convert to fraction form
   1,520,289/3,305,196 = 3,305,196/x
3. Step 3: Cross multiply
   1,520,289x = 3,305,196 × 3,305,196
4. Step 4: Simplify right side
   1,520,289x = 10,924,320,598,416
5. Step 5: Solve for x
   x = 10,924,320,598,416/1,520,289
6. Step 6: Final answer
   x = 7,185,686.80