Finding the Third Proportional to 1,772,478 and 3,865,764

Step by Step Solution

1. Step 1: Write the proportion equation
   1,772,478 : 3,865,764 = 3,865,764 : x
2. Step 2: Convert to fraction form
   1,772,478/3,865,764 = 3,865,764/x
3. Step 3: Cross multiply
   1,772,478x = 3,865,764 × 3,865,764
4. Step 4: Simplify right side
   1,772,478x = 14,944,131,303,696
5. Step 5: Solve for x
   x = 14,944,131,303,696/1,772,478
6. Step 6: Final answer
   x = 8,431,208.34