Finding the Third Proportional to 61,609.50 and 144,058.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,609.50 : 144,058.50 = 144,058.50 : x
2. Step 2: Convert to fraction form
   61,609.50/144,058.50 = 144,058.50/x
3. Step 3: Cross multiply
   61,609.50x = 144,058.50 × 144,058.50
4. Step 4: Simplify right side
   61,609.50x = 20,752,851,422.25
5. Step 5: Solve for x
   x = 20,752,851,422.25/61,609.50
6. Step 6: Final answer
   x = 336,844.99