Finding the Third Proportional to 2,215,476 and 5,216,076

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,476 : 5,216,076 = 5,216,076 : x
2. Step 2: Convert to fraction form
   2,215,476/5,216,076 = 5,216,076/x
3. Step 3: Cross multiply
   2,215,476x = 5,216,076 × 5,216,076
4. Step 4: Simplify right side
   2,215,476x = 27,207,448,837,776
5. Step 5: Solve for x
   x = 27,207,448,837,776/2,215,476
6. Step 6: Final answer
   x = 12,280,633.52