Finding the Third Proportional to 72,916.50 and 114,235.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,916.50 : 114,235.50 = 114,235.50 : x
2. Step 2: Convert to fraction form
   72,916.50/114,235.50 = 114,235.50/x
3. Step 3: Cross multiply
   72,916.50x = 114,235.50 × 114,235.50
4. Step 4: Simplify right side
   72,916.50x = 13,049,749,460.25
5. Step 5: Solve for x
   x = 13,049,749,460.25/72,916.50
6. Step 6: Final answer
   x = 178,968.40