Finding the Third Proportional to 14,861,812 and 20,928,570

Step by Step Solution

1. Step 1: Write the proportion equation
   14,861,812 : 20,928,570 = 20,928,570 : x
2. Step 2: Convert to fraction form
   14,861,812/20,928,570 = 20,928,570/x
3. Step 3: Cross multiply
   14,861,812x = 20,928,570 × 20,928,570
4. Step 4: Simplify right side
   14,861,812x = 438,005,042,244,900
5. Step 5: Solve for x
   x = 438,005,042,244,900/14,861,812
6. Step 6: Final answer
   x = 29,471,846.52