Finding the Third Proportional to 16,439.63 and 35,954.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,439.63 : 35,954.63 = 35,954.63 : x
2. Step 2: Convert to fraction form
   16,439.63/35,954.63 = 35,954.63/x
3. Step 3: Cross multiply
   16,439.63x = 35,954.63 × 35,954.63
4. Step 4: Simplify right side
   16,439.63x = 1,292,735,058.89
5. Step 5: Solve for x
   x = 1,292,735,058.89/16,439.63
6. Step 6: Final answer
   x = 78,635.31