Finding the Third Proportional to 39,885 and 61,931.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,885 : 61,931.50 = 61,931.50 : x
2. Step 2: Convert to fraction form
   39,885/61,931.50 = 61,931.50/x
3. Step 3: Cross multiply
   39,885x = 61,931.50 × 61,931.50
4. Step 4: Simplify right side
   39,885x = 3,835,510,692.25
5. Step 5: Solve for x
   x = 3,835,510,692.25/39,885
6. Step 6: Final answer
   x = 96,164.24