Finding the Third Proportional to 31,514.06 and 69,239.81

Step by Step Solution

1. Step 1: Write the proportion equation
   31,514.06 : 69,239.81 = 69,239.81 : x
2. Step 2: Convert to fraction form
   31,514.06/69,239.81 = 69,239.81/x
3. Step 3: Cross multiply
   31,514.06x = 69,239.81 × 69,239.81
4. Step 4: Simplify right side
   31,514.06x = 4,794,151,635.04
5. Step 5: Solve for x
   x = 4,794,151,635.04/31,514.06
6. Step 6: Final answer
   x = 152,127.38