Finding the Third Proportional to 81,325.50 and 123,122.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,325.50 : 123,122.50 = 123,122.50 : x
2. Step 2: Convert to fraction form
   81,325.50/123,122.50 = 123,122.50/x
3. Step 3: Cross multiply
   81,325.50x = 123,122.50 × 123,122.50
4. Step 4: Simplify right side
   81,325.50x = 15,159,150,006.25
5. Step 5: Solve for x
   x = 15,159,150,006.25/81,325.50
6. Step 6: Final answer
   x = 186,400.94