Finding the Third Proportional to 5,664,573 and 8,543,890

Step by Step Solution

1. Step 1: Write the proportion equation
   5,664,573 : 8,543,890 = 8,543,890 : x
2. Step 2: Convert to fraction form
   5,664,573/8,543,890 = 8,543,890/x
3. Step 3: Cross multiply
   5,664,573x = 8,543,890 × 8,543,890
4. Step 4: Simplify right side
   5,664,573x = 72,998,056,332,100
5. Step 5: Solve for x
   x = 72,998,056,332,100/5,664,573
6. Step 6: Final answer
   x = 12,886,771.22