Finding the Third Proportional to 69,398.50 and 103,908

Step by Step Solution

1. Step 1: Write the proportion equation
   69,398.50 : 103,908 = 103,908 : x
2. Step 2: Convert to fraction form
   69,398.50/103,908 = 103,908/x
3. Step 3: Cross multiply
   69,398.50x = 103,908 × 103,908
4. Step 4: Simplify right side
   69,398.50x = 10,796,872,464
5. Step 5: Solve for x
   x = 10,796,872,464/69,398.50
6. Step 6: Final answer
   x = 155,577.89