Finding the Third Proportional to 10,509,628 and 22,639,892

Step by Step Solution

1. Step 1: Write the proportion equation
   10,509,628 : 22,639,892 = 22,639,892 : x
2. Step 2: Convert to fraction form
   10,509,628/22,639,892 = 22,639,892/x
3. Step 3: Cross multiply
   10,509,628x = 22,639,892 × 22,639,892
4. Step 4: Simplify right side
   10,509,628x = 512,564,709,771,664
5. Step 5: Solve for x
   x = 512,564,709,771,664/10,509,628
6. Step 6: Final answer
   x = 48,770,965.99