Finding the Third Proportional to 1,780,159 and 3,923,361

Step by Step Solution

1. Step 1: Write the proportion equation
   1,780,159 : 3,923,361 = 3,923,361 : x
2. Step 2: Convert to fraction form
   1,780,159/3,923,361 = 3,923,361/x
3. Step 3: Cross multiply
   1,780,159x = 3,923,361 × 3,923,361
4. Step 4: Simplify right side
   1,780,159x = 15,392,761,536,321
5. Step 5: Solve for x
   x = 15,392,761,536,321/1,780,159
6. Step 6: Final answer
   x = 8,646,846.45