Finding the Third Proportional to 31,044 and 64,900.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,044 : 64,900.50 = 64,900.50 : x
2. Step 2: Convert to fraction form
   31,044/64,900.50 = 64,900.50/x
3. Step 3: Cross multiply
   31,044x = 64,900.50 × 64,900.50
4. Step 4: Simplify right side
   31,044x = 4,212,074,900.25
5. Step 5: Solve for x
   x = 4,212,074,900.25/31,044
6. Step 6: Final answer
   x = 135,680.80