Finding the Third Proportional to 63,579.50 and 138,083

Step by Step Solution

1. Step 1: Write the proportion equation
   63,579.50 : 138,083 = 138,083 : x
2. Step 2: Convert to fraction form
   63,579.50/138,083 = 138,083/x
3. Step 3: Cross multiply
   63,579.50x = 138,083 × 138,083
4. Step 4: Simplify right side
   63,579.50x = 19,066,914,889
5. Step 5: Solve for x
   x = 19,066,914,889/63,579.50
6. Step 6: Final answer
   x = 299,890.92