Finding the Third Proportional to 1,306,387 and 1,805,191

Step by Step Solution

1. Step 1: Write the proportion equation
   1,306,387 : 1,805,191 = 1,805,191 : x
2. Step 2: Convert to fraction form
   1,306,387/1,805,191 = 1,805,191/x
3. Step 3: Cross multiply
   1,306,387x = 1,805,191 × 1,805,191
4. Step 4: Simplify right side
   1,306,387x = 3,258,714,546,481
5. Step 5: Solve for x
   x = 3,258,714,546,481/1,306,387
6. Step 6: Final answer
   x = 2,494,448.08