Finding the Third Proportional to 1,188,220 and 1,855,230

Step by Step Solution

1. Step 1: Write the proportion equation
   1,188,220 : 1,855,230 = 1,855,230 : x
2. Step 2: Convert to fraction form
   1,188,220/1,855,230 = 1,855,230/x
3. Step 3: Cross multiply
   1,188,220x = 1,855,230 × 1,855,230
4. Step 4: Simplify right side
   1,188,220x = 3,441,878,352,900
5. Step 5: Solve for x
   x = 3,441,878,352,900/1,188,220
6. Step 6: Final answer
   x = 2,896,667.58