Finding the Third Proportional to 23,430 and 55,299

Step by Step Solution

1. Step 1: Write the proportion equation
   23,430 : 55,299 = 55,299 : x
2. Step 2: Convert to fraction form
   23,430/55,299 = 55,299/x
3. Step 3: Cross multiply
   23,430x = 55,299 × 55,299
4. Step 4: Simplify right side
   23,430x = 3,057,979,401
5. Step 5: Solve for x
   x = 3,057,979,401/23,430
6. Step 6: Final answer
   x = 130,515.55