Finding the Third Proportional to 42,915.75 and 65,650.13

Step by Step Solution

1. Step 1: Write the proportion equation
   42,915.75 : 65,650.13 = 65,650.13 : x
2. Step 2: Convert to fraction form
   42,915.75/65,650.13 = 65,650.13/x
3. Step 3: Cross multiply
   42,915.75x = 65,650.13 × 65,650.13
4. Step 4: Simplify right side
   42,915.75x = 4,309,938,912.52
5. Step 5: Solve for x
   x = 4,309,938,912.52/42,915.75
6. Step 6: Final answer
   x = 100,427.91