Finding the Third Proportional to 8,496,846 and 12,815,779.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,496,846 : 12,815,779.50 = 12,815,779.50 : x
2. Step 2: Convert to fraction form
   8,496,846/12,815,779.50 = 12,815,779.50/x
3. Step 3: Cross multiply
   8,496,846x = 12,815,779.50 × 12,815,779.50
4. Step 4: Simplify right side
   8,496,846x = 164,244,204,192,620.25
5. Step 5: Solve for x
   x = 164,244,204,192,620.25/8,496,846
6. Step 6: Final answer
   x = 19,330,020.13