Finding the Third Proportional to 5,731,173 and 8,670,471

Step by Step Solution

1. Step 1: Write the proportion equation
   5,731,173 : 8,670,471 = 8,670,471 : x
2. Step 2: Convert to fraction form
   5,731,173/8,670,471 = 8,670,471/x
3. Step 3: Cross multiply
   5,731,173x = 8,670,471 × 8,670,471
4. Step 4: Simplify right side
   5,731,173x = 75,177,067,361,841
5. Step 5: Solve for x
   x = 75,177,067,361,841/5,731,173
6. Step 6: Final answer
   x = 13,117,221.79