Finding the Third Proportional to 1,018,460 and 2,219,540

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,460 : 2,219,540 = 2,219,540 : x
2. Step 2: Convert to fraction form
   1,018,460/2,219,540 = 2,219,540/x
3. Step 3: Cross multiply
   1,018,460x = 2,219,540 × 2,219,540
4. Step 4: Simplify right side
   1,018,460x = 4,926,357,811,600
5. Step 5: Solve for x
   x = 4,926,357,811,600/1,018,460
6. Step 6: Final answer
   x = 4,837,065.58