Finding the Third Proportional to 90,548.25 and 137,328

Step by Step Solution

1. Step 1: Write the proportion equation
   90,548.25 : 137,328 = 137,328 : x
2. Step 2: Convert to fraction form
   90,548.25/137,328 = 137,328/x
3. Step 3: Cross multiply
   90,548.25x = 137,328 × 137,328
4. Step 4: Simplify right side
   90,548.25x = 18,858,979,584
5. Step 5: Solve for x
   x = 18,858,979,584/90,548.25
6. Step 6: Final answer
   x = 208,275.47