Finding the Third Proportional to 6,431,123 and 13,391,500

Step by Step Solution

1. Step 1: Write the proportion equation
   6,431,123 : 13,391,500 = 13,391,500 : x
2. Step 2: Convert to fraction form
   6,431,123/13,391,500 = 13,391,500/x
3. Step 3: Cross multiply
   6,431,123x = 13,391,500 × 13,391,500
4. Step 4: Simplify right side
   6,431,123x = 179,332,272,250,000
5. Step 5: Solve for x
   x = 179,332,272,250,000/6,431,123
6. Step 6: Final answer
   x = 27,885,063.35