Finding the Third Proportional to 159,615 and 247,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   159,615 : 247,142.50 = 247,142.50 : x
2. Step 2: Convert to fraction form
   159,615/247,142.50 = 247,142.50/x
3. Step 3: Cross multiply
   159,615x = 247,142.50 × 247,142.50
4. Step 4: Simplify right side
   159,615x = 61,079,415,306.25
5. Step 5: Solve for x
   x = 61,079,415,306.25/159,615
6. Step 6: Final answer
   x = 382,667.14