Finding the Third Proportional to 46,878 and 65,620.50

Step by Step Solution

1. Step 1: Write the proportion equation
   46,878 : 65,620.50 = 65,620.50 : x
2. Step 2: Convert to fraction form
   46,878/65,620.50 = 65,620.50/x
3. Step 3: Cross multiply
   46,878x = 65,620.50 × 65,620.50
4. Step 4: Simplify right side
   46,878x = 4,306,050,020.25
5. Step 5: Solve for x
   x = 4,306,050,020.25/46,878
6. Step 6: Final answer
   x = 91,856.52