Finding the Third Proportional to 31,528.75 and 65,977.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,528.75 : 65,977.75 = 65,977.75 : x
2. Step 2: Convert to fraction form
   31,528.75/65,977.75 = 65,977.75/x
3. Step 3: Cross multiply
   31,528.75x = 65,977.75 × 65,977.75
4. Step 4: Simplify right side
   31,528.75x = 4,353,063,495.06
5. Step 5: Solve for x
   x = 4,353,063,495.06/31,528.75
6. Step 6: Final answer
   x = 138,066.48