Finding the Third Proportional to 1,227,660 and 1,858,468

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227,660 : 1,858,468 = 1,858,468 : x
2. Step 2: Convert to fraction form
   1,227,660/1,858,468 = 1,858,468/x
3. Step 3: Cross multiply
   1,227,660x = 1,858,468 × 1,858,468
4. Step 4: Simplify right side
   1,227,660x = 3,453,903,307,024
5. Step 5: Solve for x
   x = 3,453,903,307,024/1,227,660
6. Step 6: Final answer
   x = 2,813,403.80