Finding the Third Proportional to 5,460,885 and 8,479,065

Step by Step Solution

1. Step 1: Write the proportion equation
   5,460,885 : 8,479,065 = 8,479,065 : x
2. Step 2: Convert to fraction form
   5,460,885/8,479,065 = 8,479,065/x
3. Step 3: Cross multiply
   5,460,885x = 8,479,065 × 8,479,065
4. Step 4: Simplify right side
   5,460,885x = 71,894,543,274,225
5. Step 5: Solve for x
   x = 71,894,543,274,225/5,460,885
6. Step 6: Final answer
   x = 13,165,364.82