Finding the Third Proportional to 54,446 and 85,557.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,446 : 85,557.50 = 85,557.50 : x
2. Step 2: Convert to fraction form
   54,446/85,557.50 = 85,557.50/x
3. Step 3: Cross multiply
   54,446x = 85,557.50 × 85,557.50
4. Step 4: Simplify right side
   54,446x = 7,320,085,806.25
5. Step 5: Solve for x
   x = 7,320,085,806.25/54,446
6. Step 6: Final answer
   x = 134,446.71