Finding the Third Proportional to 91,137 and 137,963.25

Step by Step Solution

1. Step 1: Write the proportion equation
   91,137 : 137,963.25 = 137,963.25 : x
2. Step 2: Convert to fraction form
   91,137/137,963.25 = 137,963.25/x
3. Step 3: Cross multiply
   91,137x = 137,963.25 × 137,963.25
4. Step 4: Simplify right side
   91,137x = 19,033,858,350.56
5. Step 5: Solve for x
   x = 19,033,858,350.56/91,137
6. Step 6: Final answer
   x = 208,848.86