Finding the Third Proportional to 42,824.50 and 65,248

Step by Step Solution

1. Step 1: Write the proportion equation
   42,824.50 : 65,248 = 65,248 : x
2. Step 2: Convert to fraction form
   42,824.50/65,248 = 65,248/x
3. Step 3: Cross multiply
   42,824.50x = 65,248 × 65,248
4. Step 4: Simplify right side
   42,824.50x = 4,257,301,504
5. Step 5: Solve for x
   x = 4,257,301,504/42,824.50
6. Step 6: Final answer
   x = 99,412.75