Finding the Third Proportional to 16,358,212.50 and 34,408,680

Step by Step Solution

1. Step 1: Write the proportion equation
   16,358,212.50 : 34,408,680 = 34,408,680 : x
2. Step 2: Convert to fraction form
   16,358,212.50/34,408,680 = 34,408,680/x
3. Step 3: Cross multiply
   16,358,212.50x = 34,408,680 × 34,408,680
4. Step 4: Simplify right side
   16,358,212.50x = 1,183,957,259,342,400
5. Step 5: Solve for x
   x = 1,183,957,259,342,400/16,358,212.50
6. Step 6: Final answer
   x = 72,376,933.56