Finding the Third Proportional to 40,685.25 and 60,810.75

Step by Step Solution

1. Step 1: Write the proportion equation
   40,685.25 : 60,810.75 = 60,810.75 : x
2. Step 2: Convert to fraction form
   40,685.25/60,810.75 = 60,810.75/x
3. Step 3: Cross multiply
   40,685.25x = 60,810.75 × 60,810.75
4. Step 4: Simplify right side
   40,685.25x = 3,697,947,315.56
5. Step 5: Solve for x
   x = 3,697,947,315.56/40,685.25
6. Step 6: Final answer
   x = 90,891.60