Finding the Third Proportional to 3,171,780 and 5,107,050

Step by Step Solution

1. Step 1: Write the proportion equation
   3,171,780 : 5,107,050 = 5,107,050 : x
2. Step 2: Convert to fraction form
   3,171,780/5,107,050 = 5,107,050/x
3. Step 3: Cross multiply
   3,171,780x = 5,107,050 × 5,107,050
4. Step 4: Simplify right side
   3,171,780x = 26,081,959,702,500
5. Step 5: Solve for x
   x = 26,081,959,702,500/3,171,780
6. Step 6: Final answer
   x = 8,223,130.14