Finding the Third Proportional to 72,615 and 116,983.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,615 : 116,983.50 = 116,983.50 : x
2. Step 2: Convert to fraction form
   72,615/116,983.50 = 116,983.50/x
3. Step 3: Cross multiply
   72,615x = 116,983.50 × 116,983.50
4. Step 4: Simplify right side
   72,615x = 13,685,139,272.25
5. Step 5: Solve for x
   x = 13,685,139,272.25/72,615
6. Step 6: Final answer
   x = 188,461.60