Finding the Third Proportional to 1,772,558 and 3,865,931

Step by Step Solution

1. Step 1: Write the proportion equation
   1,772,558 : 3,865,931 = 3,865,931 : x
2. Step 2: Convert to fraction form
   1,772,558/3,865,931 = 3,865,931/x
3. Step 3: Cross multiply
   1,772,558x = 3,865,931 × 3,865,931
4. Step 4: Simplify right side
   1,772,558x = 14,945,422,496,761
5. Step 5: Solve for x
   x = 14,945,422,496,761/1,772,558
6. Step 6: Final answer
   x = 8,431,556.26