Finding the Third Proportional to 67,928.63 and 142,053.75

Step by Step Solution

1. Step 1: Write the proportion equation
   67,928.63 : 142,053.75 = 142,053.75 : x
2. Step 2: Convert to fraction form
   67,928.63/142,053.75 = 142,053.75/x
3. Step 3: Cross multiply
   67,928.63x = 142,053.75 × 142,053.75
4. Step 4: Simplify right side
   67,928.63x = 20,179,267,889.06
5. Step 5: Solve for x
   x = 20,179,267,889.06/67,928.63
6. Step 6: Final answer
   x = 297,065.75