Finding the Third Proportional to 31,528 and 64,088

Step by Step Solution

1. Step 1: Write the proportion equation
   31,528 : 64,088 = 64,088 : x
2. Step 2: Convert to fraction form
   31,528/64,088 = 64,088/x
3. Step 3: Cross multiply
   31,528x = 64,088 × 64,088
4. Step 4: Simplify right side
   31,528x = 4,107,271,744
5. Step 5: Solve for x
   x = 4,107,271,744/31,528
6. Step 6: Final answer
   x = 130,273.78