Finding the Third Proportional to 2,528,985 and 5,530,074

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528,985 : 5,530,074 = 5,530,074 : x
2. Step 2: Convert to fraction form
   2,528,985/5,530,074 = 5,530,074/x
3. Step 3: Cross multiply
   2,528,985x = 5,530,074 × 5,530,074
4. Step 4: Simplify right side
   2,528,985x = 30,581,718,445,476
5. Step 5: Solve for x
   x = 30,581,718,445,476/2,528,985
6. Step 6: Final answer
   x = 12,092,487.08