Finding the Third Proportional to 10,389.38 and 22,555.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,389.38 : 22,555.69 = 22,555.69 : x
2. Step 2: Convert to fraction form
   10,389.38/22,555.69 = 22,555.69/x
3. Step 3: Cross multiply
   10,389.38x = 22,555.69 × 22,555.69
4. Step 4: Simplify right side
   10,389.38x = 508,759,038.60
5. Step 5: Solve for x
   x = 508,759,038.60/10,389.38
6. Step 6: Final answer
   x = 48,969.17