Finding the Third Proportional to 40,641 and 55,366.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,641 : 55,366.50 = 55,366.50 : x
2. Step 2: Convert to fraction form
   40,641/55,366.50 = 55,366.50/x
3. Step 3: Cross multiply
   40,641x = 55,366.50 × 55,366.50
4. Step 4: Simplify right side
   40,641x = 3,065,449,322.25
5. Step 5: Solve for x
   x = 3,065,449,322.25/40,641
6. Step 6: Final answer
   x = 75,427.51