Finding the Third Proportional to 6,431,118 and 13,391,490

Step by Step Solution

1. Step 1: Write the proportion equation
   6,431,118 : 13,391,490 = 13,391,490 : x
2. Step 2: Convert to fraction form
   6,431,118/13,391,490 = 13,391,490/x
3. Step 3: Cross multiply
   6,431,118x = 13,391,490 × 13,391,490
4. Step 4: Simplify right side
   6,431,118x = 179,332,004,420,100
5. Step 5: Solve for x
   x = 179,332,004,420,100/6,431,118
6. Step 6: Final answer
   x = 27,885,043.38