Finding the Third Proportional to 1,805,172 and 3,964,680

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805,172 : 3,964,680 = 3,964,680 : x
2. Step 2: Convert to fraction form
   1,805,172/3,964,680 = 3,964,680/x
3. Step 3: Cross multiply
   1,805,172x = 3,964,680 × 3,964,680
4. Step 4: Simplify right side
   1,805,172x = 15,718,687,502,400
5. Step 5: Solve for x
   x = 15,718,687,502,400/1,805,172
6. Step 6: Final answer
   x = 8,707,584.38