Finding the Third Proportional to 1,012,580 and 2,227,272

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,580 : 2,227,272 = 2,227,272 : x
2. Step 2: Convert to fraction form
   1,012,580/2,227,272 = 2,227,272/x
3. Step 3: Cross multiply
   1,012,580x = 2,227,272 × 2,227,272
4. Step 4: Simplify right side
   1,012,580x = 4,960,740,561,984
5. Step 5: Solve for x
   x = 4,960,740,561,984/1,012,580
6. Step 6: Final answer
   x = 4,899,109.76