Finding the Third Proportional to 5,758,819 and 8,699,471

Step by Step Solution

1. Step 1: Write the proportion equation
   5,758,819 : 8,699,471 = 8,699,471 : x
2. Step 2: Convert to fraction form
   5,758,819/8,699,471 = 8,699,471/x
3. Step 3: Cross multiply
   5,758,819x = 8,699,471 × 8,699,471
4. Step 4: Simplify right side
   5,758,819x = 75,680,795,679,841
5. Step 5: Solve for x
   x = 75,680,795,679,841/5,758,819
6. Step 6: Final answer
   x = 13,141,721.54