Finding the Third Proportional to 645,900 and 1,508,634

Step by Step Solution

1. Step 1: Write the proportion equation
   645,900 : 1,508,634 = 1,508,634 : x
2. Step 2: Convert to fraction form
   645,900/1,508,634 = 1,508,634/x
3. Step 3: Cross multiply
   645,900x = 1,508,634 × 1,508,634
4. Step 4: Simplify right side
   645,900x = 2,275,976,545,956
5. Step 5: Solve for x
   x = 2,275,976,545,956/645,900
6. Step 6: Final answer
   x = 3,523,728.98