Finding the Third Proportional to 1,012,220 and 1,515,522

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,220 : 1,515,522 = 1,515,522 : x
2. Step 2: Convert to fraction form
   1,012,220/1,515,522 = 1,515,522/x
3. Step 3: Cross multiply
   1,012,220x = 1,515,522 × 1,515,522
4. Step 4: Simplify right side
   1,012,220x = 2,296,806,932,484
5. Step 5: Solve for x
   x = 2,296,806,932,484/1,012,220
6. Step 6: Final answer
   x = 2,269,078.79