Finding the Third Proportional to 5,664,579 and 8,543,900

Step by Step Solution

1. Step 1: Write the proportion equation
   5,664,579 : 8,543,900 = 8,543,900 : x
2. Step 2: Convert to fraction form
   5,664,579/8,543,900 = 8,543,900/x
3. Step 3: Cross multiply
   5,664,579x = 8,543,900 × 8,543,900
4. Step 4: Simplify right side
   5,664,579x = 72,998,227,210,000
5. Step 5: Solve for x
   x = 72,998,227,210,000/5,664,579
6. Step 6: Final answer
   x = 12,886,787.74