Finding the Third Proportional to 78,538.50 and 112,181

Step by Step Solution

1. Step 1: Write the proportion equation
   78,538.50 : 112,181 = 112,181 : x
2. Step 2: Convert to fraction form
   78,538.50/112,181 = 112,181/x
3. Step 3: Cross multiply
   78,538.50x = 112,181 × 112,181
4. Step 4: Simplify right side
   78,538.50x = 12,584,576,761
5. Step 5: Solve for x
   x = 12,584,576,761/78,538.50
6. Step 6: Final answer
   x = 160,234.49