Finding the Third Proportional to 5,664,606 and 8,543,937

Step by Step Solution

1. Step 1: Write the proportion equation
   5,664,606 : 8,543,937 = 8,543,937 : x
2. Step 2: Convert to fraction form
   5,664,606/8,543,937 = 8,543,937/x
3. Step 3: Cross multiply
   5,664,606x = 8,543,937 × 8,543,937
4. Step 4: Simplify right side
   5,664,606x = 72,998,859,459,969
5. Step 5: Solve for x
   x = 72,998,859,459,969/5,664,606
6. Step 6: Final answer
   x = 12,886,837.93