Finding the Third Proportional to 42,178.50 and 63,544.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,178.50 : 63,544.50 = 63,544.50 : x
2. Step 2: Convert to fraction form
   42,178.50/63,544.50 = 63,544.50/x
3. Step 3: Cross multiply
   42,178.50x = 63,544.50 × 63,544.50
4. Step 4: Simplify right side
   42,178.50x = 4,037,903,480.25
5. Step 5: Solve for x
   x = 4,037,903,480.25/42,178.50
6. Step 6: Final answer
   x = 95,733.69