Finding the Third Proportional to 1,528,008 and 3,181,311

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528,008 : 3,181,311 = 3,181,311 : x
2. Step 2: Convert to fraction form
   1,528,008/3,181,311 = 3,181,311/x
3. Step 3: Cross multiply
   1,528,008x = 3,181,311 × 3,181,311
4. Step 4: Simplify right side
   1,528,008x = 10,120,739,678,721
5. Step 5: Solve for x
   x = 10,120,739,678,721/1,528,008
6. Step 6: Final answer
   x = 6,623,486.05