Finding the Third Proportional to 31,446 and 65,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,446 : 65,443.50 = 65,443.50 : x
2. Step 2: Convert to fraction form
   31,446/65,443.50 = 65,443.50/x
3. Step 3: Cross multiply
   31,446x = 65,443.50 × 65,443.50
4. Step 4: Simplify right side
   31,446x = 4,282,851,692.25
5. Step 5: Solve for x
   x = 4,282,851,692.25/31,446
6. Step 6: Final answer
   x = 136,197.03