Finding the Third Proportional to 2,576,784 and 5,486,208

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576,784 : 5,486,208 = 5,486,208 : x
2. Step 2: Convert to fraction form
   2,576,784/5,486,208 = 5,486,208/x
3. Step 3: Cross multiply
   2,576,784x = 5,486,208 × 5,486,208
4. Step 4: Simplify right side
   2,576,784x = 30,098,478,219,264
5. Step 5: Solve for x
   x = 30,098,478,219,264/2,576,784
6. Step 6: Final answer
   x = 11,680,636.88