Finding the Third Proportional to 5,664,576 and 8,543,895

Step by Step Solution

1. Step 1: Write the proportion equation
   5,664,576 : 8,543,895 = 8,543,895 : x
2. Step 2: Convert to fraction form
   5,664,576/8,543,895 = 8,543,895/x
3. Step 3: Cross multiply
   5,664,576x = 8,543,895 × 8,543,895
4. Step 4: Simplify right side
   5,664,576x = 72,998,141,771,025
5. Step 5: Solve for x
   x = 72,998,141,771,025/5,664,576
6. Step 6: Final answer
   x = 12,886,779.48