Finding the Third Proportional to 5,915,700 and 12,728,088

Step by Step Solution

1. Step 1: Write the proportion equation
   5,915,700 : 12,728,088 = 12,728,088 : x
2. Step 2: Convert to fraction form
   5,915,700/12,728,088 = 12,728,088/x
3. Step 3: Cross multiply
   5,915,700x = 12,728,088 × 12,728,088
4. Step 4: Simplify right side
   5,915,700x = 162,004,224,135,744
5. Step 5: Solve for x
   x = 162,004,224,135,744/5,915,700
6. Step 6: Final answer
   x = 27,385,469.87