Finding the Third Proportional to 40,870 and 54,922.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,870 : 54,922.50 = 54,922.50 : x
2. Step 2: Convert to fraction form
   40,870/54,922.50 = 54,922.50/x
3. Step 3: Cross multiply
   40,870x = 54,922.50 × 54,922.50
4. Step 4: Simplify right side
   40,870x = 3,016,481,006.25
5. Step 5: Solve for x
   x = 3,016,481,006.25/40,870
6. Step 6: Final answer
   x = 73,806.73