Finding the Third Proportional to 45,427.50 and 63,657.75

Step by Step Solution

1. Step 1: Write the proportion equation
   45,427.50 : 63,657.75 = 63,657.75 : x
2. Step 2: Convert to fraction form
   45,427.50/63,657.75 = 63,657.75/x
3. Step 3: Cross multiply
   45,427.50x = 63,657.75 × 63,657.75
4. Step 4: Simplify right side
   45,427.50x = 4,052,309,135.06
5. Step 5: Solve for x
   x = 4,052,309,135.06/45,427.50
6. Step 6: Final answer
   x = 89,203.88