Finding the Third Proportional to 69,003 and 140,908

Step by Step Solution

1. Step 1: Write the proportion equation
   69,003 : 140,908 = 140,908 : x
2. Step 2: Convert to fraction form
   69,003/140,908 = 140,908/x
3. Step 3: Cross multiply
   69,003x = 140,908 × 140,908
4. Step 4: Simplify right side
   69,003x = 19,855,064,464
5. Step 5: Solve for x
   x = 19,855,064,464/69,003
6. Step 6: Final answer
   x = 287,742.05