Finding the Third Proportional to 63,018 and 138,469.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,018 : 138,469.50 = 138,469.50 : x
2. Step 2: Convert to fraction form
   63,018/138,469.50 = 138,469.50/x
3. Step 3: Cross multiply
   63,018x = 138,469.50 × 138,469.50
4. Step 4: Simplify right side
   63,018x = 19,173,802,430.25
5. Step 5: Solve for x
   x = 19,173,802,430.25/63,018
6. Step 6: Final answer
   x = 304,259.14